Question

Express $7\frac{1}{5}$ into its decimal form using long division.

• A. $7.2$
• B. $0.72$
• C. $72.0$
• D. $7.20$

Answer 1

Answer: (A), (D)

$7.20$

First, convert mixed fraction into improper fraction.

$7\frac{1}{5}=\frac{7\times 5+1}{5}=\frac{36}{5}$

Divide $36$ by $5$ using long division.

$\therefore 7\frac{1}{5}=\frac{36}{5}=7.2$