Breuken haakjesregel (reeks 1)

Bereken

\(-\left(\frac{-14}{-9}\right)+\left(\frac{-4}{9}\right)\)

\(-\left(\frac{-14}{-9}\right)+\left(\frac{-4}{9}\right)\\= \frac{-14}{9}-\frac{4}{9}\\=\frac{-14-4}{9}\\=\frac{-18}{9}\\=\frac{-2}{1}\)