SOLUTION: 1.By what should the sum of 2/3 and -3/4 be divided to get 5/4 2.Represent the following rational numbers on the number line a) -18/5 b)35/6 c)16/7 d)-14/9

Algebra ->  Rational-functions -> SOLUTION: 1.By what should the sum of 2/3 and -3/4 be divided to get 5/4 2.Represent the following rational numbers on the number line a) -18/5 b)35/6 c)16/7 d)-14/9       Log On


   

Question 756468: 1.By what should the sum of 2/3 and -3/4 be divided to get 5/4
2.Represent the following rational numbers on the number line
a) -18/5
b)35/6
c)16/7
d)-14/9
Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
The divisor called d.

The sum, 2%2F3%2B%28-3%2F4%29. Do some arithmetic steps on the sum first if desired:
2%2F3-3%2F4
LCD is 12.
8%2F12-9%2F12
=-1%2F12

What is d if %28-1%2F12%29%2Fd=5%2F4 ?
d%2F%28-1%2F12%29=4%2F5
d=%284%2F5%29%28-1%2F12%29=-4%2F60=-2%2F30=highlight%28-1%2F15%29