fraction=function(n,d){
	this.numer=n;
	this.denom=d;
	this.affichage=function(){
		Println(n+"/"+d);
	}
	this.simplifie=function(){
		function pgcd(n,d){
			a=n;
			b=d;
			while(b>0){
				var c=a%b;
				a=b;
				b=c;
			}
			return a}
		function simply(n,d){
			var e=n/a;
			var g=d/a;
		}
		return new fraction(e,g);
	}
}