Breuken verm. (reeks 2)

Vermenigvuldig de breuken

\(\frac{-4}{13} . \left(\frac{-4}{2}\right)\)

\(\frac{-4}{13} . \left(\frac{-4}{2}\right)\\=+\frac{4}{13}.\frac{2}{1}\\=+\frac{4.2}{13.1}\\=\frac{8}{13}\)