OOP Fraction Addition

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Object 

Transform the fraction structure from Exercise 8 in Chapter 4 into a fraction class. Member data is the fraction’s numerator and denominator. Member functions should accept input from the user in the form 3/5, and output the fraction’s value in the same format. Another member function should add two fraction values. Write a main() program that allows the user to repeatedly input two fractions and then displays their sum. After each operation, ask whether the user wants to continue.

Source Code:

#include<iostream>
using namespace std;
class fraction
{
private:
                int a,b,c,d,e,f;
                char dummychar;
public:
                void getdata()
                {
                                cout<<"Enter first fraction =";
                                cin>>a;cin>>b;
                                cout<<"Enter second fraction =";
                                cin>>c;cin>>d;
                }
                void showdata()
                {
                                if(b==d)
                                {
                                e=a+c;
                                f=b;
                                }
                                else if(b!=d)
                                {
                                e=a*d+c*b;
                                f=b*d;
                                }
                                cout<<"The sum of fraction is = "<<e<<"/"<<f<<"\n";}
  };
                int main()
                {              char choice;
                                fraction f;
                                do{
                                    f.getdata();
                                    f.showdata();
                                                cout<<"do you want to continue (y,n)";
                                                cin>>choice;         }
                                while(choice=='y');
}

Output