Breuken + en -

Bereken

\(-\left(\frac{-2}{5}\right)+\left(\frac{2}{-3}\right)\)

\(-\left(\frac{-2}{5}\right)+\left(\frac{2}{-3}\right)\\= \frac{2}{5}-\frac{2}{3}\\=\frac{6}{15}-\frac{10}{15}\\=\frac{6-10}{15}\\=\frac{-4}{15}\)