Fractions how do you add fractions

4/15 + 1/3

4/15 + 1/3

4/15 + (1*5) / (3*5)

4/15+5/15

9/15 divide by 3

3/5

The easiest way is to make sure the fractions have the same denominators and are improper fractions. So another way to write it is : 4/15 + 5/15. Then you can add the numerators together making the numerator 9. The denominator will stay the same.

9/15

Since it is not simplified, divide both sides by three:

3/5