Breuken + en -

Bereken

\(-\left(\frac{7}{-13}\right)+\left(\frac{-11}{-2}\right)\)

\(-\left(\frac{7}{-13}\right)+\left(\frac{-11}{-2}\right)\\= \frac{7}{13}+\frac{11}{2}\\=\frac{14}{26}+\frac{143}{26}\\=\frac{14+143}{26}\\=\frac{157}{26}\)