SOLUTION: Add or subtract as indicated. Simplify. Show factoring and cancellingm and the steps for finding the lowest common denominator. (Assume that no denominator is 0.) 2x/5y - 3x/

Algebra ->  Exponents -> SOLUTION: Add or subtract as indicated. Simplify. Show factoring and cancellingm and the steps for finding the lowest common denominator. (Assume that no denominator is 0.) 2x/5y - 3x/      Log On


   

Question 348661: Add or subtract as indicated. Simplify. Show factoring and cancellingm and the steps for finding the lowest common denominator. (Assume that no denominator is 0.)
2x/5y - 3x/4y
PLEASE HELP ME I'M STUCK!! Thank you!!
Found 2 solutions by mananth, Fombitz:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2x/5y - 3x/4y
LCD= 20y
8x-15x /20y
-7x/20y

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You have a common denominator, y.
%28%282x%29%2F5%29%2Fy+-+%28%283x%29%2F4%29%2Fy=%28%282x%29%2F5-%28%283x%29%2F4%29%29%2Fy+

%28%282x%29%2F5%29%2Fy+-+%28%283x%29%2F4%29%2Fy=%28%288x-15x%29%2F20%29%2Fy+
%28%282x%29%2F5%29%2Fy+-+%28%283x%29%2F4%29%2Fy=%28%28-7x%29%2F20%29%2Fy+
highlight%28%28%282x%29%2F5%29%2Fy+-+%28%283x%29%2F4%29%2Fy=%28-7x%29%2F%2820y%29%29+