4) \(\frac{5}{3}-\frac{1}{6}\)

\(\frac{5}{3}=\frac{10}{6}\).

\(\frac{10}{6}-\frac{1}{6}=\frac{9}{6}=\frac{3}{2}\).

Ответ: \(\frac{3}{2}=1\frac{1}{2}\)