Creates a basic fraction with a numerator and denominator field.

Faction.java

/*
	Fraction.java - Version 1.01 - 6/7/2013
	 _____      _   _       _____                         _
	/  ___|    | | | |     |_   _|                       | |
	\ `--.  ___| |_| |__     | | ___ _ __   ___ _ __ ___ | |__   __ _ _   _ _ __ ___
	 `--. \/ _ \ __| '_ \    | |/ _ \ '_ \ / _ \ '_ ` _ \| '_ \ / _` | | | | '_ ` _ \
	/\__/ /  __/ |_| | | |   | |  __/ | | |  __/ | | | | | |_) | (_| | |_| | | | | | |
	\____/ \___|\__|_| |_|   \_/\___|_| |_|\___|_| |_| |_|_.__/ \__,_|\__,_|_| |_| |_|

	Creates a basic fraction with a numerator and denominator field.

	VERSION CONTROL
	1.00: Initial release
*/


public class Fraction {

	int num; //field: numerator
	int den; //field: denominator

	public Fraction(){ //null constructor
		num=1;
		den=1;
	}
	public Fraction(int numIn, int denIn){
		num=numIn;
		den=denIn;
	}

	public int getNum(){
		return num;
	}
	public int getDen(){
		return den;
	}
	public boolean isZero(){
		if(den==0||num==0)
			return true;
		else
			return false;
	}

	public void print(){
		System.out.print(num+"/"+den);
	}
	public void println(){
		System.out.println(num+"/"+den);
	}

	public void simplify(){
		if(num!=0){
			if(num%den==0){
				num/=den;
				den=1;
			}
			if(den%num==0){
				den/=num;
				num=1;
			}
		}
	}
	public void add (Fraction that){
		num=this.num*that.den+that.num*this.den;
		den=this.den*that.den;
		this.simplify();
	}
	public void sub (Fraction that){
		num=this.num*that.den-that.num*this.den;
		den=this.den*that.den;
		this.simplify();
	}
	public void mult (Fraction that){
		num=this.num*that.num;
		den=this.den*that.den;
		this.simplify();
	}
	public void div (Fraction that){
		num=this.num*den;
		den=this.den*num;
		this.simplify();
	}

}