Question 263313
Find the LCD for the given rational expressions, and convert
each rational expression into an equivalent rational expression
with the LCD as the denominator. 
4/(x-y),5x/(2y-2x)
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LCD = -2(x-y)
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4/(x-y) = (-2*4)/LCD = -8/LCD
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5x/(2y-2x) = 5x/LCD
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Cheers,
Stan H.