9) 5 8/9 : 1 17/36

\(5\frac{8}{9}=\frac{53}{9}\), \(1\frac{17}{36}=\frac{53}{36}\).

\(\frac{53}{9}:\frac{53}{36}=\frac{53}{9}\cdot\frac{36}{53}=4\).

Ответ: 4