Breuken + en -

Bereken

\(+\left(\frac{-7}{12}\right)+\left(\frac{-7}{5}\right)\)

\(+\left(\frac{-7}{12}\right)+\left(\frac{-7}{5}\right)\\= \frac{-7}{12}-\frac{7}{5}\\=\frac{-35}{60}-\frac{84}{60}\\=\frac{-35-84}{60}\\=\frac{-119}{60}\)