$\frac{-1}{3}$ = $\frac{-12}{36}$
$\frac{2}{3}$ = $\frac{24}{36}$
$\frac{-1}{-2}$ = $\frac{1}{2}$ = $\frac{18}{36}$
$\frac{6}{-24}$ = $\frac{-1}{4}$ = $\frac{-9}{36}$
$\frac{-3}{4}$ = $\frac{-27}{36}$
$\frac{10}{60}$ = $\frac{1}{6}$ = $\frac{6}{36}$
$\frac{-5}{6}$ = $\frac{-30}{36}$