package simpleClasses;

class Calculation{
    int x;
    int y;

    int Add(){
        return x+y;
    }

    int Subtract(){
        return x-y;
    }

    int Multiply(){
        return x*y;
    }

    double Divide(){
        return (double)x/y;
    }

    void SetNumbers(int x1, int y1){
        x = x1;
        y = y1;
    }
}

class Fraction {
    int numerator;
    int denominator;

    Fraction(int a, int b){
        numerator = a;
        denominator = b;
    }
    Fraction() {}

    void PrintFrac(){
        System.out.print(numerator + "/");
        System.out.println(denominator);
    }
}

class CalculateFrac{
    Fraction Add(Fraction a, Fraction b){
        Fraction temp = new Fraction();
        temp.numerator = a.numerator * b.denominator + b.numerator * a.denominator;
        temp.denominator = a.denominator * b.denominator;
        return temp;
    }

    Fraction Subtract(Fraction a, Fraction b){
        Fraction temp = new Fraction();
        temp.numerator = a.numerator * b.denominator - b.numerator * a.denominator;
        temp.denominator = a.denominator * b.denominator;
        return temp;
    }

    Fraction Multiply(Fraction a, Fraction b){
        Fraction temp = new Fraction();
        temp.numerator = a.numerator * b.numerator;
        temp.denominator = a.denominator * b.denominator;
        return temp;
    }

    Fraction Divide(Fraction a, Fraction b){
        Fraction temp = new Fraction();
        temp.numerator = a.numerator * b.denominator;
        temp.denominator = a.denominator * b.numerator;
        return temp;
    }



}

public class Number {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        Calculation num = new Calculation();
        num.SetNumbers(54, 87);

        int resalt1;
        resalt1 = num.Add();
        System.out.println(resalt1);

        resalt1 = num.Subtract();
        System.out.println(resalt1);

        resalt1 = num.Multiply();
        System.out.println(resalt1);

        double resalt2;
        resalt2 = num.Divide();
        System.out.println(resalt2);

        Fraction f1 = new Fraction(1,3);
        f1.PrintFrac();
        Fraction f2 = new Fraction(5,7);
        f2.PrintFrac();
        Fraction f3 = new Fraction(3,4);
        f3.PrintFrac();

        CalculateFrac calc1 = new CalculateFrac();

        Fraction result;
        result = calc1.Add(f1, f2);
        result.PrintFrac();

        calc1.Subtract(f1, f2).PrintFrac();

        calc1.Multiply(f1, f2).PrintFrac();

        calc1.Divide(f1, f2).PrintFrac();

    }

}