find the sum of 2/5 and 1/3
First change them to the same denominator....2×3 6__ = __5×3 151×5 5__ = __3×5 156/15+ 5/15= 11/15.So the sum is 11/15
To do the problem change the denominator for both. 2/5 and 1/35 and 3 both have 15 as a common multiple.53=15 and 35=1523=6 and 15=56/15 plus 5/1511/15