Experiment with manipulating the [color=#1551b5]blue sliders[/color] to change the left hand fraction.[br]Use the [color=#0a971e]green sliders[/color] to perform an operation on the numerator and/or the denominator.[br]Use the verify slider to test equivalence.

What happens if you multiply or divide the numerator and denominator by the same value?[br]What happens if you add or subtract the same value to the numerator and the denominator? [br]Can you explain why?