SOLUTION: a negative fraction is what I need help with. the question is 2/3+(-1/4). I got 1/12. I added 2 to -1 and got 1. Then the common denominatior is 12, right? The back of my mathbook
Algebra.Com
Question 342974: a negative fraction is what I need help with. the question is 2/3+(-1/4). I got 1/12. I added 2 to -1 and got 1. Then the common denominatior is 12, right? The back of my mathbook says the answer is 5/12. I am confused.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
You need to get a common denominator before you can add/subtract the numerators.
.
.
.
RELATED QUESTIONS
sorry but i'am not sure what this kind of problem is
what is x?
sqrt (3x+1)+ sqrt... (answered by Alan3354,stanbon)
``Hi, I need help with the problem:
3+ (1 + 2^3)^2
I keep getting different answers. (answered by stanbon)
I need help solving this matrice problem dealing with systems.
2x+4y=2
-3x+y=11... (answered by ikleyn)
The question was: 1/3w + 6 = -2
What I did was: subtracted 6 from both sides and got a... (answered by checkley77,rfer,visionamoah,Alan3354,MathTherapy)
Let f(x)=3/4x-1/2, A) find f(2)+f(-2) and B) find the zero of f(x).
So far, I did... (answered by jim_thompson5910)
i need help with these problems:
The first problem:
Section topic: Frequency... (answered by stanbon)
I am trying to graph the equation of F(x)-= (3/2)^x
The line I am getting is wavy and... (answered by Mathtut)
Solving Polynomial and Rational Inequalities?
I have did a little work with this but I (answered by solver91311)
I am missing (or got a block for !) some very basic knowledge of exponents.
Question: (answered by math_helper)