1)2 1/6+2 5/12; 2)9 3/20+7 4/15 3)6 7/9-3 22/27; 4)6-3 7/12; 5)10 5/18-5 8/27 6)73 5/24-58 19/36.​

2 1/6 + 2 5/12 = (2 + 2) + (2/12 + 5/12) = 4 7/12

9 3/8 +7 5/6 = (9 + 7) + (9/24 + 20/24) = 16 + 29/24 = 17 5/24

5 1/10 + 8 3/8 = (5 + 8) + (4/40 + 15/40) = 13 19/40

6 2/15 + 42 18/25 = (6 + 42) + (10/75 + 54/75) = 48 64/75

5 3/18 + 18 1/27 = (5 + 18) + (9/54 + 2/54) = 23 11/54

9 3/20 + 7 4/15 = (9 + 7) + (9/60 + 16/60) =

16 25/60 = 16 5/12 =

2 19/44 + 5 52/66 = (2 + 5) + (57/132 + 104/132) = 7 161/132 = 8 29/132

38 21/26 + 14 34/39 = (38 + 14) + (63/78 + 68/78) = 52 131/68 = 53 63/68 6 11/12 + 3 15/16 = (6 + 3) + (44/48 + 45/48) = 9 89/48 = 10 41/48

1) 2 1/6+2 5/12=2 2/12+2 5/12=4 7/12

2) 9 3/20+7 4/15=9 9/60+7 16/60=16 2/6

3) 6 7/9-3 22/27=6 21/27-3 22/27=2 26/27

4) 6-3 7/12= 4 5/12

5)10 5/18-5 8/27 =10 30/108-5 32/108=4 106/108= 4 53/54

6) 73 5/24-58 19/36=73 15/72-58 38/72=14 49/72=14 7/8