Question

Как решить 5/12-1/3 и 1/5-3/20

Answer 1

$\frac{5}{12} - \frac{1}{3} = \frac{5 - 4}{12} = \frac{1}{12} \\ \frac{1}{5} - \frac{3}{20} = \frac{4 - 3}{20} = \frac{1}{20}$