3.99 is 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 rational equivalent is 399/100 which cannot be simplified
2/5
35% = 7⁄20
399/1
17/30 ( this is in its sinplest form)
399/100
The number 3.99 as a fraction in its simplest form is 3 and 99/100. In its simplest form of a mixed fraction is 399/100.
16
399/1000
399/100
399/100
It is: 399/100
15.96 = 1596/100 or 399/25 in fraction