1. Adjust the red and blue sliders to create two desired fractions.[br]2. Click and drag the blue point so that the two squares are superimposed on one another.[br]3. Click the 'Solution' box to show the multiplicative result, represented by the purple area in the square.

Adapted from [url=https://www.geogebra.org/m/NZQ5dBrG]https://www.geogebra.org/m/NZQ5dBrG[/url] (by EDC)