#### Answer

$\frac{1}{10}$

#### Work Step by Step

-$\frac{4}{15}$$\div$ $-\frac{8}{3}$ =
=-$\frac{4}{15}$$\times$$-\frac{3}{8}$=
The product of 2 negative numbers is a positive number.
=$\frac{4\times3}{15\times8}$=$\frac{4\times3}
{5\times3\times2\times4}$=
=$\frac{1}{5\times2}$=$\frac{1}{10}$