Question

Как решить 5/12-1/3 и 1/5-3/20

Answer 1

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