Answer
$\frac{1}{3}$
Work Step by Step
$\frac{1}{3}(\frac{4}{5} - \frac{3}{10}) \times \frac{4}{2}$ = $\frac{1}{3}(\frac{8}{10} - \frac{3}{10}) \times \frac{4}{2}$ = $\frac{1}{3}(\frac{5}{10}) \times \frac{4}{2}$ = $\frac{20}{60}$ = $\frac{1}{3}$