Answer
$\frac{29}{4x}$
Work Step by Step
$\frac{5}{x}+\frac{9}{4x}=\frac{5\times4}{x\times4}+\frac{9}{4x}=\frac{20}{4x}+\frac{9}{4x}=\frac{20+9}{4x}=\frac{29}{4x}$
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