what is 3 and 1/3 plus 1 and 7/10

You will have to have common denoinator (30) to add fractions

3 1/3 = 10/3          10/3 = 100/30

1 7/10 = 17/10    17/10 =   51/30

 

100/30 + 51/30 = 151/30 = 5 1/30