Question

Which fraction has a terminating decimal as its decimal expansion?

• A. $\frac{1}{3}$
• B. $\frac{1}{5}$
• C. $\frac{1}{7}$
• D. $\frac{1}{9}$

Answer 1

The correct option is B

$\frac{1}{5}$

Explanation for the correct option:

The last digit of the decimal is called the terminating decimal.

If a fraction is converted to decimal and then the number continues to infinite digits, then the fraction don't have a termination decimal.

$\frac{1}{3}=0.333......$

This fraction do not have a termination decimal.

$\frac{1}{5}=0.2$

The terminating decimal is $2$.

$\frac{1}{7}=0.142.......$

This fraction do not have a termination decimal.

$\frac{1}{9}=0.111.......$

This fraction do not have a termination decimal.

Therefore, the correct answer is option $\left(B\right)$.