class AproxRoot2{
	public static void main (String[] args){
		AproxRoot2 p = new AproxRoot2();
		p.printAproxSqrt2(3,2,5);
	}

	public void printAproxSqrt2(int n, int d, int limit){
		int finalN = n;
		int finalD = d;
		for(int i=2; i<=limit; i++){
			finalN = numerator(finalN, finalD);
			finalD = denominator(finalN, finalD);
		}
		System.out.println(finalN + "/" + finalD);
	}
	private int numerator(int n, int d){
	return n + (2 * d);
	}
	private int denominator(int n, int d){
	return n - d;
	}
}