2) \(1\frac{5}{7}\cdot1\frac{3}{4}\)

\(1\frac{5}{7}=\frac{12}{7}\), \(1\frac{3}{4}=\frac{7}{4}\).

\(\frac{12}{7}\cdot\frac{7}{4}=\frac{12}{4}=3\).

Ответ: \(3\)