Ответ:
Сократим \(42\) и \(7\):
\(\frac{2}{7}\cdot\frac{42}{5}=2\cdot\frac{6}{5}=\frac{12}{5}=2\frac{2}{5}\).
Ответ: \(\frac{12}{5}\) (или \(2\frac{2}{5}\)).
Сократим \(42\) и \(7\):
\(\frac{2}{7}\cdot\frac{42}{5}=2\cdot\frac{6}{5}=\frac{12}{5}=2\frac{2}{5}\).
Ответ: \(\frac{12}{5}\) (или \(2\frac{2}{5}\)).