Answer
$\frac{3y+7x}{2xy}$.
Work Step by Step
In order to add or subtract fractions, we start by making a common denominator (bottom of the fraction). Thus, we multiply 3/2x by y/y and 7/2y by x/x to obtain:
$\frac{3y}{2xy}$+($\frac{7x}{2xy}$)=$\frac{3y+7x}{2xy}$.
