From: Stefano Crocco <stefano.crocco@...>
Date: 2010-07-21T19:28:42+09:00
Subject: Re: How to check if x is a multiple of y

On Wednesday 21 July 2010, Tom Ha wrote:
> |Hi there,
> |
> |what's the most simple solution in Ruby to check if value x is a
> |multiple of y?
> |
> |  "if x/y.integer?"
> |
> |...is obviously not the solution.
> |
> |Thanks a lot!
> |Tom

Assuming x and y are both integers, you can use the modulo operator:

if (x%y) == 0
  ...

Stefano