Questions on Algebra: Numeric Fractions answered by real tutors!

Tutors Answer Your Questions about Numeric Fractions (FREE)

Question 44418: Can someone help me with this problem?
I need to perform the indicated operation:
11-6/7-7
Thank you ,
Ashley
Click here to see answer by fractalier(6550)

Question 44479: Can someone help me on this problem?
I need to add 5/9 + 8/9 in the lowest terms.

Thanks,
Sher
Click here to see answer by stanbon(75887)

Question 44500: Can someone help me on this?
I need to add: Write the answer in the lowest term"
5/9 + 8/9 is it:
(A) 13/18
(B) 1 1/3
(C) 1 4/9
(D) 1 2/3
Thanks,
Lyn
Click here to see answer by AnlytcPhil(1806)

Question 44540: Can someone help me with this problem?
I nned to add and write the answer in simplest form:
3/11 + 9/11 + 1/11

is it (A) 2 1/11
(B) 13/33
(C) 2 7/13
(D) 1 2/11
Thank you,
Sher
Click here to see answer by Nate(3500)

Question 44586: I am trying to add fractions but the text I have isn't very helpful.
The problem is: 2/15 + 8/21
I have come up with the following:
2/15 + 8/21 =
15 = 5 x 3, 21 = 7 x 3
LCD = 5 x 3 x 7, LCD = 105
2 x 7 / 15 x 7 + 8 x 5 / 21 x 5 =
14/105 + 13/105 = 27/105
Is this correct?
Click here to see answer by josmiceli(19441)

Question 44587: +1 1/4-(-2 1/2)
Click here to see answer by tutorcecilia(2152)

Question 44613: I am trying to show the result of adding two fractions.
x=times and /= divide
What are the steps to show that
u x i/2pi x (D+d)+ u x i/2pi x (D-d) is equalt to u x i x D/pi(D sq -d sq)
Hope you can help
Click here to see answer by stanbon(75887)

Question 44670: please help me solve this problem

write 3/5 as a decimal by dividing 3 by 5.
(write zeros after the decimal point in the dividend.)
Click here to see answer by adamchapman(301)

Question 45106: I need help with this problem: The student body of Godolphin College consists of 1/6 seniors, 1/5 juniors, and 2/9 sophomores. All the remaining students are freshman. What fraction of the student body are freshmen?
I tried to solve this by using the following:
90/90 - 15/90 - 18/90 - 20/90 = 37/90
Is this correct?
Click here to see answer by Nate(3500)

Question 45692: Can someone help me on this problem?
I need to write the following as a fraction:
52%
Thanks,
Lyn
Click here to see answer by tutorcecilia(2152)

Question 45689: Can someone help me on this?
I need to divide:
3 3/4 divided by 1 3/8
Thanks,
Lyn
Click here to see answer by tutorcecilia(2152)

Question 45689: Can someone help me on this?
I need to divide:
3 3/4 divided by 1 3/8
Thanks,
Lyn
Click here to see answer by stanbon(75887)

Question 45688: Can someone help me on this problem?
I need to subtract:
5/6 - 3/5
Thanks,
Lyn
Click here to see answer by tutorcecilia(2152)

Question 45684: Can someone help me on this?
I need to multiply the following and it also has to be simplify each product:
7/9 . 4/9
Thanks,
Sher
Click here to see answer by tutorcecilia(2152)

Question 45686: Can someone help me on this?
I need to divide and write in simplest form:

8/9 divide by 11/15
Thanks,
Lyn
Click here to see answer by tutorcecilia(2152)

Question 45727: Can someone help me on this?
I need to write this fraction as a percent.
7/8
Thanks,
Ashley
Click here to see answer by fazlerabbi(9)

Question 45687: Can someone help me on this?
I need to add:
1/3 + 1/5 + 1/10
thanks,
Lyn
Click here to see answer by fazlerabbi(9)

Question 45853: Can someone help me on this problem?
I need to write this fraction in simplest form:
48/66
Thanks,
Sher
Click here to see answer by Nate(3500)

Question 45856: Can someone help me solve this problem?
I need to evaluate the following:
[25 divided by (2 ^3 - 3)] . 2
Thanks,
Sher
Click here to see answer by tutorcecilia(2152)

Question 46595: A 3-foot pole casts a shadow of 9 feet. How tall is a tree with a shadow of 12 feet?

Click here to see answer by AnlytcPhil(1806)

Question 46658: Lauren found 28 children absent one day during an epidemic of chicken pox. If this was 35% of the total number of children attending the day care center, how many children attend this day care center?
Click here to see answer by adamchapman(301)

Question 46664: write as a fraction or mixed munber. 3 3/5

Click here to see answer by Nate(3500)

Question 46664: write as a fraction or mixed munber. 3 3/5

Click here to see answer by checkley71(8403)

Question 46813: Can someone help me on this problem?
-5^2 - 3
Thanks,
Sher
Click here to see answer by adamchapman(301)

Question 46988: Hi can someone show me how to simplify these please??
a.) [(1/x)+1]/(1/x) =
b.) [x/(x+y)]/x =
c.) 3x/(3x+y) =
d.) [1/(x+h)+(1/x)]/x =
i dont know that much about simplifying yet can someone please show me how to simplify these? thank!!
Click here to see answer by Nate(3500)

Question 47392: I was wondering why I hadn't gotten any response to the 5 problems I put through this morning. Are you having problems with your server or did I put them in the wrong catagory?
Please let me know so I can resubmit them.
Thanks,
Sher
Click here to see answer by elima(1433)

Question 47422: 3/4(7a+2)=10
Click here to see answer by mszlmb(115)

Question 47466: Exspress 12.5% as a reduced common fraction.
Click here to see answer by checkley71(8403)

Question 47602: A relationship among the variables A, B, and C can be expressed by the formula
A = /C
Then, correct to 2 decimal places, find A if B = 140 and C = 6.84
A. 0.91
B. 1.10
C. 1.57
D. 1.63
E. 1.84
F. 2.13
G. 2.44
H. None of these

Click here to see answer by Nate(3500)

Question 47844: Rationalize the denominator. Assume that all variables represent positive numbers and that the denominator is not zero..

Click here to see answer by gsmani_iyer(201)

Question 47988: Can someone help me with this problem?
4 x (3 + 2) = (3 + 2) x 4
I also need to identify the property that is used.
Thanks,
Sher
Click here to see answer by 826136(1)

Question 47987: Can someone help me with this problem?
5 + (6+7) = 5 + (7 +6)
I also need to identify the property that is used.
Thanks,
Sher
Click here to see answer by Nate(3500)

Question 48061: I need to find out the total amount of sales. My sales tax of 6% = $2,357.10.
What formula is used?
Thank you.
Click here to see answer by tutorcecilia(2152)

Question 48049: solve for x 1/X-1/y=3
Click here to see answer by Nate(3500)

Question 48225: what is a recipical?
Click here to see answer by stanbon(75887)

Question 48556: i need help with adding,subtracting,and multiplying fractions
Click here to see answer by Nate(3500)

Question 48570: I need help solving this problem,
a^2-b^2 \ a^2-3ab-2b^2
____________ ____________
a^2-4ab+4b^2 \ a-2b
So far i have been able to complete the following
a^2-b^2 * a-2b
____________ _____________
a^2-4ab+4b^2 * a^2-3ab-2b^2

i know i have to start eliminating like terms, but the bottom equations are whats throwing me off with the last terms having ^2. I'm not sure how to work this.
Click here to see answer by stanbon(75887)

Question 47320: Can someone help me on this problem?
I need to evaluate this expression if a = -2, b = 5, c = -4, and d =6.
4b + 5d - c/a
Thanks,
Sher
Click here to see answer by tabi(3)

Question 48864: 2/x + 7 + 1 = 9/ x + 7

Thanks
Click here to see answer by Nate(3500)

Question 48906: please help me solve this equation
Click here to see answer by Nate(3500)

Question 48910: CAN YOU PLEASE EXPLAIN THIS TO ME.
5 + 12 = 12 + 5
Click here to see answer by checkley71(8403)

Question 48995: 9 1/3-7 3/4=?
Click here to see answer by tutorcecilia(2152)

Question 49134: I need help multiplying fractions by negative whole numbers, 2/3(-3)
Click here to see answer by longjonsilver(2297)

Question 49256: My son is starting Algebra 1 and I'm having trouble remembering how to do one concept. Here's the problem:
(2/3)/x = (5/8)/(1/5)
These are fractions divided by fractions. Is my understanding right to multiply by the reciprocals and then cross multiply or should we start off cross multiplying? The first way we ended up with 16/75 and the second way we ended up with 75/16. It's got me perplexed....Thanks for any help you can give.

Click here to see answer by Earlsdon(6294)

Question 49366: covert the mixed number to an improper fraction 5 4/7
Click here to see answer by Nate(3500)

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