515/1 is one possible answer.
5/15 = 1/3
5.15 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 515/100. You can simplify this rational fraction if you so wish.
515 is an integer and not a fraction. However, it can be expressed in rational form as 515/1 which cannot be simplified.
515 in an integer, not a fraction!
515 is an integer and so there is not really a sensible way of writing it as a fraction or mixed number.
5/15 = 1/3
5.15 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. And, being a decimal, there is no simpler form. Its rational equivalent is 515/100 which can be simplified to 5 3/20.
The Roman numeral of DXV is equivalent to 515
The infinitely many multiples of 515: 515*1, 515*2, 515*3 etc.
515= 515 * 100%= 51500%
The general factors of 515 are : 515, 103, 5 and 1. The prime factors of 515 are 5 and 103.
The positive integer factors of 515 are: 1, 5, 103, 515
1,5,103 and 515