We call the bottom number the Denominator it is the number of parts the whole is divided into. When a fractions denominator is 1 that fraction is equal to its numerator. And well see theres many ways to think about a fraction.
When a fractions numerator and denominator are the same that fraction is equal to 1.
So let me write that down. This is a whole. And well see theres many ways to think about a fraction. 3 out of 5 are girls.