1) 3 1/15 + 1 1/10 = 3 2/30 + 1 3/30 = 4 5/30 = 4 1/6
2) 1 3/25 + 7 1/15 = 1 9/75 + 7 5/75 = 8 14/75
3) 2 9/16 + 4 1/12 = 2 27/48 + 4 4/48 = 6 31/48
4) 3 1/12 + 4 2/15 = 3 5/60 + 4 8/60 = 7 13/60
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1) 3 1/15 + 1 1/10 = 3 2/30 + 1 3/30 = 4 5/30 = 4 1/6
2) 1 3/25 + 7 1/15 = 1 9/75 + 7 5/75 = 8 14/75
3) 2 9/16 + 4 1/12 = 2 27/48 + 4 4/48 = 6 31/48
4) 3 1/12 + 4 2/15 = 3 5/60 + 4 8/60 = 7 13/60