1. Adjust the red and blue sliders to create the fractions you wish to multiply.[br]2. Move the green slider to the left or right to merge the two diagram to show what, for example, 2/5 of 3/4 is, or vice-versa. Doing it both ways shows that fractional multiplication is commutative.

Adapted from [url=https://www.geogebra.org/m/byhjMxUW]https://www.geogebra.org/m/byhjMxUW[/url] by Ethan Hall