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Find the LCD for the...

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-4 , 5x/2y-2x

That is a comma between the fractions. Please write each step please.

4/x-4 , 5x/2y-2x

That is a comma between the fractions. Please write each step please.

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