Найдите значение выражения: (8 5/7-6 5/6:1 536):4 3/4.

\[\left( 8\frac{5}{7} - 6\frac{5}{6}\ :1\frac{5}{36} \right)\ :4\frac{3}{4} =\]

\[= \left( 8\frac{5}{7} - \frac{41 \cdot 36}{6 \cdot 41} \right)\ :\frac{19}{4} =\]

\[= \left( 8\frac{5}{7} - 6 \right)\ :\frac{19}{4} =\]

\[= 2\frac{5}{7}\ :\frac{19}{4} = \frac{19 \cdot 4}{7 \cdot 19} = \frac{4}{7}\]