1 4/5 · 1 1/3 =

\(1\frac{4}{5}=\frac{9}{5}\), \(1\frac{1}{3}=\frac{4}{3}\).

\(\frac{9}{5}\cdot\frac{4}{3}=\frac{12}{5}=2\frac{2}{5}\).

Ответ: 2 2/5.