40. \(\frac{2}{5}-\frac{1}{10}+1\frac{3}{11}=\)

\(\frac{2}{5}-\frac{1}{10}+1\frac{3}{11}=\frac{4}{10}-\frac{1}{10}+\frac{14}{11}=\frac{3}{10}+\frac{14}{11}=\frac{33}{110}+\frac{140}{110}=\frac{173}{110}=1\frac{63}{110}\).

Ответ: \(1\frac{63}{110}\).