766. Сократите дроби по образцу: е) 56/49, 40/32, 48/36, 28/21;

\(\frac{56}{49}=\frac{56:7}{49:7}=\frac{8}{7}\); \(\frac{40}{32}=\frac{40:8}{32:8}=\frac{5}{4}\); \(\frac{48}{36}=\frac{48:12}{36:12}=\frac{4}{3}\); \(\frac{28}{21}=\frac{28:7}{21:7}=\frac{4}{3}\).

Ответ: \(\frac{8}{7};\ \frac{5}{4};\ \frac{4}{3};\ \frac{4}{3}\).