16) 2 2/6 · 5/8

\(2\frac{2}{6}=\frac{14}{6}=\frac{7}{3}\).

\(\frac{7}{3}\cdot\frac{5}{8}=\frac{35}{24}=1\frac{11}{24}\).

Ответ: \(1\frac{11}{24}\).