Breuken haakjesregel (reeks 1)

Bereken

\(-\left(\frac{-3}{11}\right)+\left(\frac{6}{-5}\right)\)

\(-\left(\frac{-3}{11}\right)+\left(\frac{6}{-5}\right)\\= \frac{3}{11}-\frac{6}{5}\\=\frac{15}{55}-\frac{66}{55}\\=\frac{15-66}{55}\\=\frac{-51}{55}\)