You have 2 and 1 with addition, the denominators are the same. Why is it important to have the same denominators, because if you have 1/5 compared to 1/9 they are totally different numbers. 1/5 is 20/100, and 1/9 is about 13/

The denominator are the same 5 and 5, why is that important? Because if you don’t have them the same they are totally different numbers. 1/10 is 10/100 and 1/5 is 20/100. In the picture everything’s working the denominator are the same and billy spends 2$ out of his 5$ at the candy store and he  spends 1$ out of his 5$ at the dollar store he needs to find out how much he spent. 2/5+1/5 =3/5, he spent 60% of his money.

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