Ответ:
\(13-8\frac{5}{12}=\frac{55}{12}\).
\(17\frac{1}{2}-16\frac{1}{5}=\frac{35}{2}-\frac{81}{5}=\frac{13}{10}\).
\(\frac{13}{10}\cdot10=13\).
\(\frac{55}{12}+13=\frac{55}{12}+\frac{156}{12}=\frac{211}{12}=17\frac{7}{12}\).
Ответ: \(17\frac{7}{12}\).
