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a) 8/11
b) 2 6/7
c ) 1 2/6
e) 4/8
f) 5 3/9
g) 7 2/5
2)
a) 25/30 + 18/30 = 1 13/30
b)23 6/9 + 5 7/9 = 29 3/9
c)2 10/24 + 9/24 = 2 19/24
e)12/21 - 7/21 = 5/21
f) 6 5/12 - 4 10/12 = 1 7/12
g) 2 2/7
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