Answer
$\frac{5}{x}$
Work Step by Step
$\frac{4}{2x}$+$\frac{9}{3x}$=
$\frac{4*3}{2x*3}$+$\frac{9*2}{3x*2}$=
$\frac{12}{6x}$+$\frac{18}{6x}$=$\frac{12+18}{6x}$=$\frac{30}{6x}$=
$\frac{5}{x}$
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