Breuken optellen (reeks 2)

Tel de breuken op

\(\frac{-1}{7}+\frac{19}{2}\)

\(\frac{-1}{7}+\frac{19}{2}\\=\frac{-2}{14}+\frac{133}{14}\\=\frac{-2+133}{14}\\=\frac{131}{14}\)