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Wiki User
18/40 = 9/20 = .45
9/20
I think it is 2 over 5
1 over 5
16/40 = 2/5 in its lowest terms
15/40 = 3/8
20/40 = 1/2
35/40 is equivalent to 7/8 in its lowest terms
7/40
9/10
3/8
8/9
1/2