Å forkorte brøk
Fra Matematikk.net
<math> \frac{4}{6} = \frac{2 \cdot 2}{2 \cdot 3} = \frac{\cancel{2} \cdot 2}{\cancel{2} \cdot 3} = \frac{2}{3} </math>
<math> \frac{4}{6} = \frac{2 \cdot 2}{2 \cdot 3} = \frac{\cancel{2} \cdot 2}{\cancel{2} \cdot 3} = \frac{2}{3} </math>