Ответ:
\(8-1\frac{2}{3}=6\frac{1}{3}=\frac{19}{3}\).
\(7\frac{10}{17}-3\frac{2}{3}=\frac{129}{17}-\frac{11}{3}=\frac{387-187}{51}=\frac{200}{51}\).
\(\frac{19}{3}-\frac{200}{51}=\frac{323}{51}-\frac{200}{51}=\frac{123}{51}=\frac{41}{17}=2\frac{7}{17}\).
Ответ: \(2\frac{7}{17}\).
