Breuken optellen (reeks 2)

Tel de breuken op

\(\frac{-17}{18}+\frac{17}{5}\)

\(\frac{-17}{18}+\frac{17}{5}\\=\frac{-85}{90}+\frac{306}{90}\\=\frac{-85+306}{90}\\=\frac{221}{90}\)