SOLUTION: Add the following rational numbers: Question. "5 by 36 and -7 by 12" Please let me know the right answer and also how with the rough work. Thanks

Algebra ->  Rational-functions -> SOLUTION: Add the following rational numbers: Question. "5 by 36 and -7 by 12" Please let me know the right answer and also how with the rough work. Thanks      Log On


   

Question 1062535: Add the following rational numbers:
Question. "5 by 36 and -7 by 12"
Please let me know the right answer and also how with the rough work.
Thanks
Answer by josgarithmetic(39632) About Me  (Show Source):
You can put this solution on YOUR website!
5 by 36
The rational number 5%2F36

-7 by 12
The rational number -7%2F12

Add the two rational numbers:
5%2F36%2B%28-7%2F12%29
5%2F36-7%2F12
Common denominator is 36.

5%2F36-%287%2F12%29%283%2F3%29

5%2F36-21%2F36

-16%2F36

Reduces to highlight%28-4%2F9%29