[tex] - \frac{1}{8} \times \frac{32}{3} - \frac{5}{6} : \frac{5}{2} = - \frac{1 \times 32}{8 \times 3} - \frac{5}{6} : \frac{5}{2} = - \frac{32}{24} - \frac{5}{6} : \frac{5}{2} = - \frac{4}{3} - \frac{5}{6} : \frac{5}{2} = - \frac{4}{3} - \frac{5}{6} \times \frac{2}{5} = - \frac{4}{3} - \frac{5 \times 2}{6 \times 5} = - \frac{4}{3} - \frac{10}{30} = - \frac{4}{3} - \frac{1}{3} = - \frac{5}{3} [/tex]
