[tex](( - \frac{2}{5} + \frac{1}{2} - \frac{1}{3} ) \div \frac{7}{15} ) {}^{3} + \frac{1}{8} = [/tex]
[tex]( \frac{12 + 15 - 10}{30} \div \frac{7}{15} ) + \frac{1}{8} [/tex]
[tex]( \frac{17}{30} \times \frac{15}{7} ) + \frac{1}{8} [/tex]
[tex] \frac{17}{14} + \frac{1}{8} [/tex]
[tex] \frac{136 + 14}{112} = \frac{75}{56} [/tex]
