05 is an integer. An equivalent fraction is 5/1
.05 = 5/100
0.5 is, itself, a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 5/10 and you can simplify that if you so wish.However, in answer to the question, 0.5 DOES nothing. It is a number and is not capable of action.
1/20
.05 as a fraction is 1/20 in its simplest form