Breuken verm. (reeks 1)

Vermenigvuldig de breuken

\(\frac{12}{9} . \frac{2}{12}\)

\(\frac{12}{9} . \frac{2}{12}\\=\frac{4}{3} . \frac{1}{6}\\=\frac{4.1}{3.6}\\=\frac{4}{18}\\=\frac{2}{9}\)