10. Вычислите: \(4\frac{2}{5} \times 3\frac{4}{9}\).

\(4\frac{2}{5}=\frac{22}{5}\), \(3\frac{4}{9}=\frac{31}{9}\).

\(\frac{22}{5}\times\frac{31}{9}=\frac{682}{45}=15\frac{7}{45}\).

Ответ: \(15\frac{7}{45}\).