SOLUTION: I need help: I have to find the LCD for the given rational expressions, and then convert each retional expression into an equivalent rational expression with the LCD as the common

Question 302876: I need help:
I have to find the LCD for the given rational expressions, and then convert each retional expression into an equivalent rational expression with the LCD as the common denominator.
4/x-y and 5x/2y-2x
thanks in advance.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
find the LCD for the given rational expressions, and then convert each retional expression into an equivalent rational expression with the LCD as the common denominator.
4/(x-y) and 5x/(2y-2x)
-----------------------
Factor:
4/(x-y) and 5x/[-2(x-y)]
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LCD: -2(x-y)
---
Rewrite each fraction with LCD as its denominator:
(-2*4)/LCD and (5x)/LCD
----
-8/(-2(x-y)) and 5x/(-2(x-y))
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Cheers,
Stan H.
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