It is 21/5.
.2
2/5
2/10
1/5 is a fraction.One fifth is a fraction, so it is equal to 1/5
2/3
11/5
two fifths, one fifth
2/10 5/25...
One fifth is a fraction, so it's equal to one fifth or 1/5.
1/4
one-fifth = .20
An equivalent fraction for one fifth would be two tenth if you multiply it by two.