The decimal equivalent of the vulgar fraction 1/5, or one fifth, is equal to 0.2.
4.2 is the equivalent decimal fraction.
one-fifth = .20
An equivalent fraction for one fifth would be two tenth if you multiply it by two.
Expressed as a decimal fraction, four and one fifth is equal to 4.2.
one-fifth = 1/5 as a fraction or 0.2 as a decimal
The decimal is 17, the fraction (if you must have one) is 17/1
One-fifth in decimal form is .20, because 5 times .20 is one whole. Hope this helps!
0.2 = 20%
2.9 (if you mean a decimal)