5.357 Сократите дроби: б) \frac{2}{12}, \frac{3}{15}, \frac{30}{6}, \frac{7}{42};

б) Сократим дроби:

1. \(\frac{2}{12} = \frac{2 \cdot 1}{2 \cdot 6} = \frac{1}{6}\)
2. \(\frac{3}{15} = \frac{3 \cdot 1}{3 \cdot 5} = \frac{1}{5}\)
3. \(\frac{30}{6} = \frac{6 \cdot 5}{6 \cdot 1} = 5\)
4. \(\frac{7}{42} = \frac{7 \cdot 1}{7 \cdot 6} = \frac{1}{6}\)

Ответ: \(\frac{1}{6}, \frac{1}{5}, 5, \frac{1}{6}\)