48) 2 3/7 · 2 2/9

\(2\frac{3}{7}=\frac{17}{7}\), \(2\frac{2}{9}=\frac{20}{9}\).

\(\frac{17}{7}\cdot\frac{20}{9}=\frac{340}{63}=5\frac{25}{63}\).

Ответ: \(5\frac{25}{63}\).