Breuken verm. (reeks 1)

Vermenigvuldig de breuken

\(\frac{4}{4} . \frac{3}{9}\)

\(\frac{4}{4} . \frac{3}{9}\\=\frac{1}{1} . \frac{1}{3}\\=\frac{1.1}{1.3}\\=\frac{1}{3}\)