№ 1. Сократите дробь: 5/10; 8/32; 25/40.

1. \(\frac{5}{10}=\frac{5:5}{10:5}=\frac{1}{2}\).
2. \(\frac{8}{32}=\frac{8:8}{32:8}=\frac{1}{4}\).
3. \(\frac{25}{40}=\frac{25:5}{40:5}=\frac{5}{8}\).

Ответ: \(\frac{1}{2};\ \frac{1}{4};\ \frac{5}{8}\).