Support for the Ruby 2.2 series has ended. See here for reference.
Raised when attempting to divide an integer by 0.
42 / 0 #=> ZeroDivisionError: divided by 0
Note that only division by an exact 0 will raise the exception:
42 / 0.0 #=> Float::INFINITY 42 / -0.0 #=> -Float::INFINITY 0 / 0.0 #=> NaN