4 1/3 + 2 1/6 +3 3/8 + 1 5/8 = 4 6/18 + 2 3/18 + 3 6/18 + 1 10/18 = 6 9/18 + 4 16/18 = 10 25/18 = 11 7/18
57+39+21+3=60+60=120
1/12 + 87+13+3 7/12 = 3 8/12 +100 = 103 8/12 = 103 2/3
4 1/2 + 3 1/7 + 2 6/7 + 1/4 = 4 2/4 + 1/4 + 6 = 10 3/4
26 2/3+18 1/2+ 3 1/2+1 1/3= 27 3/3 + 21 2/2 = 50
5 1/12 + 1/5 + 3 5/12 + 1 4/5 = 8 6/12 + 2 = 10 1/2