Answer
$= \frac{1}{15}$
Work Step by Step
We first create a common denominator, and then we add the numerators together to obtain:
$\frac{2}{3} + \frac{-3}{5}$
$= \frac{2(5)}{15} + \frac{-3(3)}{15}$
$= \frac{10}{15} + \frac{-9}{15}$
$= \frac{10}{15} - \frac{9}{15}$
$= \frac{1}{15}$
