$$\frac{2\times \left(\frac{2}{5}\right)}{\frac{1}{2}}$$
Express $2\times \left(\frac{2}{5}\right)$ as a single fraction.$$\frac{\frac{2\times 2}{5}}{\frac{1}{2}}$$
Multiply $2$ and $2$ to get $4$.$$\frac{\frac{4}{5}}{\frac{1}{2}}$$
Divide $\frac{4}{5}$ by $\frac{1}{2}$ by multiplying $\frac{4}{5}$ by the reciprocal of $\frac{1}{2}$.$$\frac{4}{5}\times 2$$
Express $\frac{4}{5}\times 2$ as a single fraction.$$\frac{4\times 2}{5}$$
Multiply $4$ and $2$ to get $8$.$$\frac{8}{5}$$