Simplify the expression $\frac{\frac{1}{2}}{\frac{3}{4}}$1234.
Simplify the expression $\frac{\frac{2}{9}}{\frac{3}{8}}$2938.
Simplify the expression $\frac{\frac{6}{7}}{\frac{9}{35}}$67935.
Simplify the expression $\frac{\frac{1}{6}}{-\frac{5}{9}}$16−59.