Ответ:
\(-1\frac{5}{7}=-\frac{12}{7}\), \(0.7=\frac{7}{10}\).
\(-\frac{12}{7}+\frac{7}{10}=\frac{-120+49}{70}=-\frac{71}{70}=-1\frac{1}{70}\).
Ответ: \(-1\frac{1}{70}\).
\(-1\frac{5}{7}=-\frac{12}{7}\), \(0.7=\frac{7}{10}\).
\(-\frac{12}{7}+\frac{7}{10}=\frac{-120+49}{70}=-\frac{71}{70}=-1\frac{1}{70}\).
Ответ: \(-1\frac{1}{70}\).