$\bigg(\dfrac{7}{4}-(\dfrac{-7}{8})\bigg):(\dfrac{-1}{4})$=?

$\dfrac{1}{3}\times\bigg((\dfrac{-3}{2})+(\dfrac{-4}{5})\bigg)$=?

$\bigg((\dfrac{-5}{6})+\dfrac{3}{4}\bigg)\times(\dfrac{-9}{4})$=?

$\bigg(\dfrac{7}{5}-\dfrac{9}{7}\bigg)\times\dfrac{5}{4}$=?

$\bigg((\dfrac{-7}{4})-\dfrac{8}{9}\bigg)\times\dfrac{1}{2}$=?

$\bigg(\dfrac{3}{2}+(\dfrac{-1}{2})\bigg)\times(\dfrac{-4}{5})$=?

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

$(\dfrac{-8}{5})\times(\dfrac{6}{7}-\dfrac{5}{7})$=?

$\bigg(\dfrac{3}{2}-\dfrac{1}{3}\bigg):\dfrac{7}{9}$=?

$\bigg((\dfrac{-5}{9})+\dfrac{2}{7}\bigg)\times\dfrac{3}{5}$=?