The problem asks to convert the fraction $\frac{2}{5}$ to a percentage. The final answer should include a percent sign (%).

1. Problem Description

The problem asks to convert the fraction $\frac{2}{5}$ to a percentage. The final answer should include a percent sign (%).

2. Solution Steps

To convert a fraction to a percentage, we need to multiply the fraction by 100 and add the percent sign.

So, we have:

$\frac{2}{5} \times 100 = \frac{200}{5} = 40$

Therefore, $\frac{2}{5}$ as a percentage is $40\%$.

3. Final Answer

40%