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Simplifying Fractions: Single Term in Denominator

GMAT-L1PDZZ

Simplify:

$$ \cfrac{4\sqrt{5}}{x}+\cfrac{4y}{x}.$$

A

$ \cfrac{4\sqrt{5}+4y}{x} $

B

$ \cfrac{\sqrt{5}(4+y)}{x} $

C

$ \cfrac{4y\sqrt{5}}{x} $

D

$ \cfrac{4\sqrt{5}+4y}{2x} $

E

$ \cfrac{2(\sqrt{5}+y)}{x} $