Question

2 целая 7 15нацатых -5 12нацетых

Answer 1

$2frac{7}{15}-frac{5}{12}=frac{37}{15}-frac{5}{12}=frac{37bullet4}{15bullet4}-frac{5bullet5}{12bullet5}=frac{148}{60}-frac{25}{60}=frac{148-25}{60}=\\=frac{123}{60}=2frac{3}{60}=2frac{1}{20}=2frac{5}{100}=2.05$