Question

2/5 - 1/6 + 1/2 ??????????

Answer 1

$\frac{2}{5}$ $- \frac{1}{6}$ $+ \frac{1}{2}$
$\frac{12 - 5}{30}$ $+ \frac{1}{2}$
$\frac{7}{30}$ $+ \frac{1}{2}$
$\frac{7 + 15}{30}$
$\frac{22}{30}$