Ответ:

\(\frac{17}{8}-\frac{11}{20}=\frac{85-22}{40}=\frac{63}{40}\).

\(\frac{63}{40}:\frac{5}{46}=\frac{63}{40}\cdot\frac{46}{5}=\frac{1449}{100}=14.49\).

Ответ: \(14.49\).