# Write 2/5 as a decimal number.

#### Understand the Problem

The question is asking to convert the fraction 2/5 into its decimal equivalent.

The decimal equivalent of the fraction $\frac{2}{5}$ is $0.4$.

The decimal equivalent of the fraction $\frac{2}{5}$ is $0.4$.

#### Steps to Solve

1. Set up the division

To convert the fraction $\frac{2}{5}$ into a decimal, we need to perform the division of the numerator by the denominator.

1. Divide the numbers

Calculate $2 \div 5$. Since 2 is less than 5, we can add a decimal point and a zero to the 2, making it 20. Therefore, we can now compute $20 \div 5$.

1. Perform the division

When we divide 20 by 5, we get 4, since $5 \times 4 = 20$. So we have:

$$2 \div 5 = 0.4$$

So, the decimal equivalent of the fraction $\frac{2}{5}$ is 0.4.

The decimal equivalent of the fraction $\frac{2}{5}$ is $0.4$.

The decimal of $\frac{2}{5}$, which simplifies to 0.4, is a recurring part in everyday life, appearing in situations like percentage calculations, currency conversion, and measurement.