11. Найдите значение выражения \(1\frac{2}{11}+\frac{2}{5}-\frac{37}{55}\).

\(1\frac{2}{11}=\frac{57}{55}\), а \(\frac{2}{5}=\frac{22}{55}\).

\(\frac{57}{55}+\frac{22}{55}-\frac{37}{55}=\frac{42}{55}\).

Ответ: \(\frac{42}{55}\).