40 is an integer, not a fraction.
40 cents as a fraction = 40/100 or 4/10
9/40
40/1
22 out of 40 as a fraction is 22/40 which reduced to 11/20
4.025 in fraction form is 161/40
It depends on 40 minutes as a fraction of what - an hour, day, week, etc.
This is 13/40
40/10
27/40
119/40
40% =0.44/102/5