\[ \frac{9}{12} \times \left( \frac{5}{8} \div \frac{2 }{3 } \right) \] \[ \frac{9}{12} \times \left( \frac{21}{8} \div \frac{8}{3} \right) \] \[ \frac{9}{12} \times \left( \frac{21}{8} \times \frac{3}{8} \right) \] \[ = \frac{ \overset{\color{red}{1}}{\color{red}{\cancel{9}}} }{ \underset{\color{red}{3}}{\color{red}{\cancel{12}}} } \times \frac{ \overset{\color{red}{16}}{\color{red}{\cancel{48}}} }{ \underset{\color{red}{7}}{\color{red}{\cancel{21}}} } \] \[ = \frac{1}{3} \times \frac{16}{7} = \frac{16}{21} \]