$(\dfrac{-3}{2})-\dfrac{5}{3}$=

$\dfrac{6}{7} : (\dfrac{-9}{5})$=

$(\dfrac{-3}{4}) : (\dfrac{-2}{5})$=

$(\dfrac{-1}{2})-\dfrac{1}{2}$=

$\dfrac{(\dfrac{-5}{9})}{\dfrac{5}{9}}$=

$(\dfrac{-1}{3}) : (\dfrac{-2}{3})$=

$\dfrac{5}{2}+\dfrac{1}{3}$=

$(\dfrac{-8}{7}) : \dfrac{2}{3}$=

$\dfrac{1}{2}\times\dfrac{2}{3}$=

$\dfrac{\dfrac{2}{7}}{(\dfrac{-7}{4})}$=