红宝石 |有理rational()函数()

Rational()是 Ruby 中的一个内置方法，以 a/b 形式返回有理数。

Syntax: Rational(num, den)

Parameters: The function accepts two parameters which represents numerator and denominator. By default, the denominator is 1.

Return Value: It returns the rational number of the form a/b.

示例 1 ：

# Ruby program for Rational()
  
# Initialize rational number 
rat = Rational(4)
  
# Prints the rational number
puts rat

输出：

4/1

示例 2 ：

# Ruby program for Rational()
  
# Initialize rational number 
rat = Rational(4, 5)
  
# Prints the rational number
puts rat

输出：

4/5