Write 2/5 as a decimal number.
Understand the Problem
The question is asking to convert the fraction 2/5 into its decimal equivalent.
Answer
The decimal equivalent of the fraction $\frac{2}{5}$ is $0.4$.
Answer for screen readers
The decimal equivalent of the fraction $\frac{2}{5}$ is $0.4$.
Steps to Solve
- 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.
- 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 $20 \div 5$.
- 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 $0.4$.
More Information
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.
Tips
- Not recognizing that division can lead to a decimal: Some may forget that dividing a smaller number by a larger number (like 2 by 5) requires adding decimals and zeros to continue the division.