They are simply 20/1 or 40/2 as improper fractions
4-20 an equivalent fractions = -16
fractions of 20 = 20/1, 40/2, 60/3, 80/4,...
adding fractions
20%
20% = 1/5
two equivalent fractions for 15/20 = 3/4, 30/40
16/20 = 4/5
what fractions are equivalent to 5/20
If your working with fractions then you can't simplify it so it is 13/20 . And if it isn't fractions then it is 6.5/10
6/20
20/24 = 5/6
11/20 = 0.55