1) 4/9 + 3/9=  a) 7/9 b) 6/9 c) 3/9 2) 1/8 + 6/8= a) 7/18 b) 7/8 c) 5/8 d) 7/9 3) 2/11 + 4/11= a) 6/11 b) 6/10 c) 4/11 d) 7/11 4) 4/7+2/7= a) 5/7 b) 6/8 c) 6/14 d) 6/7 5) 3/7+1/7= a) 4/14 b) 3/7 c) 4/7 d) 5/7 6) 1/8+2/8= a) 3/8 b) 5/8 c) 3/16 d) 2/16 7) 9/11-7/11= a) 2/11 b) 3/11 c) 6/11 d) 4/11 8) 6/9-4/9= a) 12/18 b) 2/9 c) 2/18 d) 2/0 9) 5/11-4/11= a) 1/11 b) 3/11 c) 2/11 d) 1/22 10) 4/7+3/7= a) 1 b) 7/14 c) 6/7 d) 1/14

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