#ifndef FRACTION
#define FRACTION

class Fraction
{
private:
	int num;
	int den;
public:
	void setFraction(int n, int d);
	Fraction add(const Fraction &f);
	Fraction sub(const Fraction &f);
	Fraction mult(const Fraction &f);
	Fraction div(const Fraction &f);
	void printFraction();

	//Constructors
	Fraction();
	Fraction(int num, int den);
	Fraction(std::string s);
};

#endif

#include "Fraction.h"
#include <iostream>
#include <string>

using namespace std;

void Fraction::setFraction(int n, int d)
{
	this->num = n;
	this->den = d;
}

Fraction Fraction::add(const Fraction &f)
{
	Fraction temp;
	temp.num = (this->num * f.den) + (f.num * this->den);
	temp.den = (f.den * this->den);
	return temp;
}

Fraction Fraction::sub(const Fraction &f)
{
	Fraction temp;
	temp.num = (this->num * f.den) - (f.num * this->den);
	temp.den = (f.den * this->den);
	if (temp.den < 0)
		temp.den *= -1;
	return temp;
}

Fraction Fraction::mult(const Fraction &f)
{
	Fraction temp;
	temp.num = this->num * f.num;
	temp.den = this->den * f.den;
	return temp;
}

Fraction Fraction::div(const Fraction &f)
{
	Fraction temp;
	temp.num = this->den * f.num;
	temp.den = this->num * f.den;
	return temp;
}

void Fraction::printFraction()
{
	cout << this->num << "/" << this->den;
}

//constructors

Fraction::Fraction()
{
	this->setFraction(1, 1);
}

Fraction::Fraction(int num, int den)
{
	this->setFraction(num, den);
}

Fraction::Fraction(string s)
{
	int numerator = 1;
	int denominator = 1;

	for (int i = 0; i < s.length(); i++)
	{
		if (s.at(i) == ' ')
		{
			numerator = stoi(s.substr(0, i));
			denominator = stoi(s.substr(i+1, s.length() - (1 + i)));
		}
	}

	setFraction(numerator, denominator);
}