Breuken haakjesregel (reeks 1)

Bereken

\(-\left(\frac{-10}{-3}\right)+\left(\frac{-13}{-8}\right)\)

\(-\left(\frac{-10}{-3}\right)+\left(\frac{-13}{-8}\right)\\= \frac{-10}{3}+\frac{13}{8}\\=\frac{-80}{24}+\frac{39}{24}\\=\frac{-80+39}{24}\\=\frac{-41}{24}\)