Ответ:
\(-5\frac{1}{16}+\frac{1}{8}=-\frac{81}{16}+\frac{2}{16}=-\frac{79}{16}\).
\(-\frac{5}{6}-\frac{3}{4}=-\frac{10}{12}-\frac{9}{12}=-\frac{19}{12}\).
\(\left(-\frac{79}{16}\right)\left(-\frac{19}{12}\right)=\frac{1501}{192}\).
Ответ: \(\frac{1501}{192}\).
