Question

Divide.
$3\frac{1}{5}$ by $\frac{3}{5}$

Answer 1

$3\frac{1}{5}=\frac{5\times 3+1}{5}=\frac{16}{5}$

$\therefore \frac{16}{5}÷\frac{3}{5}=\frac{\left(\frac{16}{5}\right)}{\left(\frac{3}{5}\right)}=\frac{16}{5}\times \frac{5}{3}=\frac{16}{3}$

Hence, the correct answer is $\frac{16}{3}$.