what is 1 fith add 1 fith
4/5 is 80%
Assuming you mean fifth. 20%
One fifth (or 1/5) is a fraction. It could be many different numbers. One Fifth of 100 is 20, of 10 is 2, of 200 is 40, of 50 is 10.
0.2
0.2
5
1/5 of 20 = 4
1/5 of 800 is 160.
It is: 1/5 of 15 = 3
1/5 = 0.2
1/5 of 30 is 6