Breuken optellen (reeks 1)

Tel de breuken op

\(\frac{5}{11}+\frac{2}{9}\)

\(\frac{5}{11}+\frac{2}{9}\\=\frac{45}{99}+\frac{22}{99}\\=\frac{45+22}{99}\\=\frac{67}{99}\)