Breuken haakjesregel (reeks 1)

Bereken

\(+\left(\frac{11}{-8}\right)-\left(\frac{-7}{5}\right)\)

\(+\left(\frac{11}{-8}\right)-\left(\frac{-7}{5}\right)\\= \frac{-11}{8}+\frac{7}{5}\\=\frac{-55}{40}+\frac{56}{40}\\=\frac{-55+56}{40}\\=\frac{1}{40}\)