public class Fraction {
	private int numer;
	private int denom;
	
	public int getNumerator() {
		return this.numer;
	}
	public int getDenominator() {
		return this.denom;
	}
	public void setNumerator(int n) {
		this.numer = n;
	}
	public void setDenominator(int d) {
		if (d != 0) {
			this.denom = d;
		} else {
			this.numer = 0;
			this.denom = 1;
		}
	}
	
	
	public Fraction(int num, int den) {
		this.setNumerator(num);
		this.setDenominator(den);
	}
	public void simplify() {
		for(int i = 2; i <= this.denom; i+=1) {
			if ((this.numer % i) == 0 && (this.denom % i) == 0) {
				this.numer /= i;
				this.denom /= i;
			}
		}
	}
	public Fraction add(Fraction that) {
		int num = this.numer * that.denom + this.denom * that.numer;
		int den = this.denom * that.denom;
		return new Fraction(num, den);
	} 
	public double getValue() {
		return this.numer / (double)(this.denom);
	}
	
	public String toString() {
		return this.numer +"/"+ this.denom;
	}
}