<PRE><B>Question 347732</B>
Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational express with the same LCD as the denominator. 
(4)/(x-y)
(5x)/(2y-2x) 
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Let the LCD be -2(x-y)
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Rewrite each fraction:
(-8)/(-2(x-y))
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(5x)/(-2(x-y))
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Cheers,
Stan H.</PRE>