Breuken verm. (reeks 1)

Vermenigvuldig de breuken

\(\frac{3}{3} . \frac{7}{12}\)

\(\frac{3}{3} . \frac{7}{12}\\=\frac{1}{1} . \frac{7}{12}\\=\frac{1.7}{1.12}\\=\frac{7}{12}\)