Вариант 2. 1. Сократите дроби: 35/42, 70/84, 54/56.

1. \(\frac{35}{42}=\frac{35:7}{42:7}=\frac{5}{6}\).
2. \(\frac{70}{84}=\frac{70:14}{84:14}=\frac{5}{6}\).
3. \(\frac{54}{56}=\frac{54:2}{56:2}=\frac{27}{28}\).

Ответ: \(\frac{5}{6};\ \frac{5}{6};\ \frac{27}{28}\).