whats 2/3+3/4+1/6
6/13
2/3+3/4+1/6 get a common denominator = 12
2/3 = 8/12
3/4 = 9/12
1/6 = 2/12
So
8/12 + 9/12 + 2/12 = 19/12 = 1 + 7/12