Fraction

public class Fraction {
    private int num;
    private int den;

    public int getNum() {
        return this.num;
    }
    public void setNum(int num) {
        this.num = num;
    }
    public int getDen() {
        return this.den;
    }
    public void setDen(int den) {
        this.den = den;
    }

    public Fraction(int num, int den) {
        this.setNum(num);
        this.setDen(den);
    }

    @Override
    public String toString() {
        return this.getNum() + "/" + this.getDen();
    }
}