Question

What is the sum of 6 7\8 + 4 5/8?

Answer 1

11  5/8

4+6=10
7+5=13
13-8=5

Answer 2

First add the fractions (7+5)/8 = 12/8
so, 6 + 4+ 12/8

      10 12/8      then reduce
       11 4/8       reduce again
       final answer 11 1/2