use benchmarks to estimate the sum.
13/15 + 1/8
3 answers
119/120
13/15 + 1.8
= almost 1 + very small
= appr 1
(real answer: 119/120 = appr .992)
= almost 1 + very small
= appr 1
(real answer: 119/120 = appr .992)
I said 119/120 ;d