Create a rational number


#!/usr/bin/env ruby

require 'rational'
require 'mathn'

rat = Rational(25/100) # => 1/4 -- lowest terms

1.	Rational Numbers
2.	how to create a fraction;
3.	Add two rational number up
4.	Subtract one number from another
5.	Rational number without using Rational class
6.	Multiply two rational numbers
7.	Divide two rational numbers
8.	how to add (+), subtract (-), multiply (*), and divide (/) fractions;
9.	how to perform modulo (%), power (**), and equality (== or <=>);
10.	how to produce a string or a float representation of a fraction (inspect).
11.	Compare two rational numbers
12.	Comparable operator on rational numbers
13.	Inspect a rational number
14.	Power a rational number
15.	Modulo two rational numbers

Create a rational number : Rational Numbers « Number « Ruby