[tex] \frac{3}{4} - \frac{\frac{1}{6}}{ \frac{2}{5} } \\ \\ \frac{3}{4} - \frac{1}{6} \times \frac{5}{2} \\ \\ \frac{3}{4} - \frac{5}{12} \\ \\ \frac{3 \times 3 - 5}{12} \\ \\ \frac{9 - 5}{12} \\ \\ \frac{4}{12} \\ \\ \frac{1}{3} .[/tex]
