Answer
$\frac{19}{6y}$.
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 3/2y by 3/3 and 5/3y by 2/2 to obtain:
$\frac{9}{6y}$+($\frac{10}{6y}$)=$\frac{19}{6y}$.