\[4\frac{2}{3} - \left( - 3\frac{3}{4} \right) + \left( - 2\frac{5}{6} \right) - 5\frac{1}{8} =\]
\[= 4\frac{16}{24} + 3\frac{18}{24} - 2\frac{20}{24} - 5\frac{3}{24} =\]
\[= 7\frac{34}{24} - 7\frac{23}{24} = \frac{11}{24}\]