Question

The decimal form of the sum ( $\frac{1}{2}+\frac{1}{5}$) will be equal to:

• A. 0.8
• B. 0.7
• C. 0.5
• D. 0.9

Answer 1

The correct option is D 0.9

The given fractions are $\frac{1}{2}$ and $\frac{2}{5}$
$\frac{1}{2}\times \frac{5}{5}+\frac{2}{5}\times \frac{2}{2}=\frac{5}{10}+\frac{4}{10}=0.9$