Ответ:
\(\frac{7}{16}-\left(-\frac{5}{24}\right)=\frac{7}{16}+\frac{5}{24}=\frac{21+10}{48}=\frac{31}{48}\).
\(-1\frac{15}{16}=-\frac{31}{16}\).
\(\frac{31}{48}:\left(-\frac{31}{16}\right)=\frac{31}{48}\cdot\left(-\frac{16}{31}\right)=-\frac{1}{3}\).
Ответ: \(-\frac{1}{3}\).
