## Algebra 1

$-1\frac{4}{15}$
Add the absolute values. Since both numbers are negative, the result is negative. $-\frac{2}{3}+(-\frac{3}{5})=-\frac{10}{15}+(-\frac{9}{15})=-(|-\frac{10}{15}|+|(-\frac{9}{15}|)=-(\frac{10}{15}+\frac{9}{15})=-\frac{19}{15}=-1\frac{4}{15}$