18/20 can be reduced to 9/10
18/20
18/20
. 9/10
18/20
9/20
18/40 = 9/20 = .45
50/200, 18/72
18/20 and 90/100
Fractions that are equivalent to 9/10 are 18/20, 18/30, 36/40....
9/10 is equivalent to 18/20, 27/30. 36/40. etc.
The fraction is 18/20 which can be simplified to 9/10.