Fraction

public class Fraction
{
   private int numerator;
   private int denominator;

    public Fraction()
    {
        numerator = 1;
        denominator = 1;
    }
    public Fraction(int x, int y)
    {
        numerator = x;
        denominator = y;
    }

    public void setNumerator(int x)
    {
        numerator = x;
    }

    public int getNumerator()
    {
        return numerator;
    }

    public void setDenominator(int y)
    {
        denominator = y;
    }

    public int getDenominator()
    {
        return denominator;
    }

    public double toDecimal()
     {
        double decimal;
        decimal = (double) numerator/denominator;
        return decimal;
    }

    public String toString()
    {
        return numerator + "/" + denominator;
    }

    public boolean isEqual(Fraction other)
    {
        if((other.toString()).equals(toString()))
        return true;
        else
        return false;
    }

    public Fraction add(Fraction f1, Fraction f2)
    {
        int top;
        int bottom;

        top = (f1.getNumerator()*f2.getDenominator())+(f2.getNumerator()*f1.getDenominator());
        bottom = (f1.getDenominator()*f2.getDenominator());

        return new Fraction(top, bottom);
    }

}