package com.company;

public class RationalFraction {
    private int m; //numerator
    private int n; //denominator

    public RationalFraction (int M, int N){
        m = M;
        n = N;
    }
    public int getM(){
        return m;
    }
    public int getN(){
        return n;
    }
    public int setM(int val){
        m = val;
    }
    public int setN(int val){
        n = val;
    }
    public double value(){
        return (double)m/n;
    }
    public void write(){
        System.out.println(m + '/' + n);
    }
    public static RationalFraction sum(RationalFraction a, RationalFraction b){
        int numerator = a.getM() * b.getN() + a.getN() * b.getM();
        int denominator = a.getN() * b.getN();
        return new RationalFraction(numerator, denominator);
    }
    public RationalFraction simplifyFraction(RationalFraction num, RationalFraction den){
        int t = nod(num, den);
        num /= t;
        den /= t;
        return new RationalFraction(num, den);
    }
    private int nod(int a, int b){
        while(a != b){
            if(a > b)
                a -= b;
            else
                b -= a;
        }
        return a;
    }
}


//------------------------------------------------------------------------
package com.company;

public class Main {

    public static void main(String[] args) {
        //First task
        RationalFraction fraction = new RationalFraction(1, 0);
        fraction.setN(2);

        System.out.println("Input data Rational fraction^:");
        fraction.write();

        System.out.println("Fraction after reduction:");
        fraction.simplifyFraction();
        fraction.write();

        System.out.println("This is value of the fraction:");
        System.out.println(fraction.value());

        System.out.println("The result of the sum of two fractions:");
        fraction.sum();
        fraction.write();

        System.out.println("This is value of the new fraction:");
        System.out.println(fraction.value());
    }
}