Breuken haakjesregel (reeks 1)

Bereken

\(-\left(\frac{8}{7}\right)+\left(\frac{4}{11}\right)\)

\(-\left(\frac{8}{7}\right)+\left(\frac{4}{11}\right)\\= \frac{-8}{7}+\frac{4}{11}\\=\frac{-88}{77}+\frac{28}{77}\\=\frac{-88+28}{77}\\=\frac{-60}{77}\)