5. Сократите дроби: 15/60; 3/48; 2/64.

1. \(\frac{15}{60}=\frac{15:15}{60:15}=\frac{1}{4}\).
2. \(\frac{3}{48}=\frac{3:3}{48:3}=\frac{1}{16}\).
3. \(\frac{2}{64}=\frac{2:2}{64:2}=\frac{1}{32}\).

Ответ: \(\frac{1}{4};\ \frac{1}{16};\ \frac{1}{32}\).