7.7. \(\frac{7}{5}\cdot\frac{12}{35}\)

Сократим множители \(7\) и \(35\):

\(\frac{7}{5}\cdot\frac{12}{35}=\frac{1}{5}\cdot\frac{12}{5}=\frac{12}{25}\).

Ответ: \(\frac{12}{25}\).