Problem: 6 7/12 + 4 3/4 =
6 7/12 + 4 3/4 =
Change the second fraction so the demonimator is 12.
Multiply both the numerator and the denominator by 3.
6 7/12 + 4 9/12 = 10 16/12
16/12 is 1 4/12
10 16/12 = 10 + (16/12) = 10 + (1 4/12) = 11 4/12
11 4/12 = 11 1/3