Breuken verm. (reeks 2)

Vermenigvuldig de breuken

\(\frac{12}{-13} . \left(\frac{-4}{-8}\right)\)

\(\frac{12}{-13} . \left(\frac{-4}{-8}\right)\\=-\frac{12}{13}.\frac{1}{2}\\=-\frac{12.1}{13.2}\\=-\frac{12}{26}\\=-\frac{6}{13}\)