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Ruby | Rational – method
  • Last Updated : 06 Jan, 2020

The is an inbuilt method in Ruby returns the rational number by perfroming substraction between two rational numbers.

Syntax: rat1 – rat2

Parameters: The function accepts no parameter

Return Value: It returns the rational number by perfroming substarction between two rational numbers.

Example 1:



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# Ruby program for - method
  
# Initialize rational number 
rat1 = Rational(-2, 9)
rat2 = Rational(9, -2)
  
# Prints the rational number
puts rat1 - rat2

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Output:

77/18

Example 2:

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# Ruby program for - method
  
# Initialize rational number 
rat1 = Rational(-2, 9)
  
# Prints the rational number
puts rat1 - 2

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Output:

-20/9
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