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Expressed as a mixed number in its simplest form, 18/4 is equal to 4 1/2, or four and a half.
9/2
The simplest form for eighteen over forty five is 2/5
6
1/3
3/5
9/25
6/7
3/7
9/50
2/18 = 1/9
3/4.3/4
Eighteen.