Intructions given Re-implement the Rational class
Extend the Number class and implement the Comparable interface to introduce new functionality to your Rational class. The class definition should look like this:
public class Rational extends Number implements Comparable {
// code goes here
}
In addition a new private method gcd should be defined to ensure that the number is always represented in the lowest terms.
Here is the Main class that will be used to test your Rational classes.