the answer is 3/5 the problem has the same denominator so you just add the numerator but lets say it was 2/3 + 4/5 you have to find an equal denominator so 15 would be the denominator
2/3 + 4/5
3*5=15 2*5=10
5*3=15 4*3=12
10/15 + 12/15 = 22/15
would be an example if the denominators were different
