#include <iostream>

#define SWAP(x,y,t)((t)=(x),(x)=(y),(y)=(t))

using namespace std;

class Fraction{

public:

void get_num();

int print_num1();

int print_num2();

double mutator();

void yack();

private:

int num1, num2;

};

int main(){

Fraction f;

f.get_num();

f.yack();

cout<<f.print_num1()<<"/"<<f.print_num2()<<"="<<f.mutator()<<endl;

return 0;

}

void Fraction::get_num(){

cout << "두개의 정수를 입력하세요.(두 정수 중 큰 값이 분모가 됩니다.):";

cin >>num1>>num2;

}

int Fraction::print_num1(){

return num1;

}

int Fraction::print_num2(){

return num2;

}

double Fraction::mutator(){

int temp;

if(num1>num2)

SWAP(num1,num2,temp);

return static_cast<double>(num1)/num2;

}

void Fraction::yack(){

int i, yack;

for(i=1;i<=num1;i++)

if(num1%i==0 && num2%i==0)

yack=i;

num1/=yack;

num2/=yack;

}