What must be subtracted from $\large\frac{-2}{3}$ to get $\large\frac{3}{5}$?

Question

$\begin{array}{1 1} \large\frac{19}{15} \\\large\frac{-19}{15} \\ \large\frac{15}{19} \\ \large\frac{-15}{19} \end{array}$