$\bigg(\dfrac{2}{3}+(\dfrac{-1}{3})\bigg)\times(\dfrac{-7}{3})$=?

$\bigg(\dfrac{3}{7}+\dfrac{4}{5}\bigg)\times\dfrac{7}{5}$=?

$\bigg((\dfrac{-1}{2})+\dfrac{4}{9}\bigg)\times\dfrac{2}{7}$=?

$\dfrac{2}{5}\times\bigg(\dfrac{3}{2}+(\dfrac{-2}{7})\bigg)$=?

$\bigg(\dfrac{8}{9}-(\dfrac{-2}{7})\bigg)\times\dfrac{2}{3}$=?

$\dfrac{2}{7}\times(\dfrac{1}{3}-\dfrac{5}{8})$=?

$\bigg((\dfrac{-3}{4})-(\dfrac{-9}{2})\bigg):(\dfrac{-7}{6})$=?

$\dfrac{2}{7}\times((\dfrac{-9}{8})-\dfrac{5}{2})$=?

$\bigg(\dfrac{9}{8}+(\dfrac{-1}{4})\bigg)\times(\dfrac{-8}{5})$=?

$(\dfrac{-2}{5})+(\dfrac{-7}{5})\times(\dfrac{-1}{2})$=?