1) 4 5/9 + 7 1/6 = 4 + 7 + 5/9 + 1/6 = 11 + 5/9 + 1/6 = 11 + (30/9) + (9/9) = 11 + 39/9 = 11 + 4 1/3 = 15 1/3
2) 6 11/12 + 8 13/18 = 6 + 8 + 11/12 + 13/18 = 14 + 11/12 + 13/18 = 14 + (99/36) + (26/36) = 14 + 125/36 = 14 + 3 17/36 = 17 17/36
3) 2 3/16 + 1 7/24 + 3 1/12 = 2 + 1 + 3 + 3/16 + 7/24 + 1/12 = 6 + 3/16 + 7/24 + 1/12 = 6 + (54/48) + (28/48) + (6/48) = 6 + 88/48 = 6 + 1 40/48 = 7 5/6
1) 4 5/9 + 7 1/6 = 4 + 7 + 5/9 + 1/6 = 11 + 5/9 + 1/6 = 11 + (30/9) + (9/9) = 11 + 39/9 = 11 + 4 1/3 = 15 1/3
2) 6 11/12 + 8 13/18 = 6 + 8 + 11/12 + 13/18 = 14 + 11/12 + 13/18 = 14 + (99/36) + (26/36) = 14 + 125/36 = 14 + 3 17/36 = 17 17/36
3) 2 3/16 + 1 7/24 + 3 1/12 = 2 + 1 + 3 + 3/16 + 7/24 + 1/12 = 6 + 3/16 + 7/24 + 1/12 = 6 + (54/48) + (28/48) + (6/48) = 6 + 88/48 = 6 + 1 40/48 = 7 5/6