The floor() is an inbuilt function in Ruby returns the largest number less than or equal to rat with a precision of ndigits decimal digits. ndigits by default is 0. It returns a rational when ndigits is positive, otherwise returns an integer.

Syntax: rat.floor(ndigits)

Parameters: The function accepts a single parameter

Return Value: It returns the largest number less than or equal to rat with a precision of ndigits decimal digits

Example 1:

Output:

-2

Example 2:

Output:

617/5
120