Найдите значение выражения: (7/16-(-5/24)):(-11/16).

\[\left( \frac{7^{\backslash 3}}{16} - \left( - \frac{5^{\backslash 2}}{24} \right) \right)\ :\left( - 1\frac{15}{16} \right) =\]

\[= \left( \frac{7 \cdot 3 + 5 \cdot 2}{48} \right)\ :\left( - \frac{31}{16} \right) =\]

\[= \left( \frac{21 + 10}{48} \right)\ :\left( - \frac{31}{16} \right) =\]

\[= \frac{31}{48}\ \cdot \left( - \frac{16}{31} \right) = - \frac{31 \cdot 16}{48 \cdot 31} =\]

\[= - \frac{16}{48} = - \frac{1}{3}.\]