Fraction Class

#include "default.h"    //Includes the Header files

typedef long int Long;

class CFraction;
class Fraction_t;


Long HCF(Long a, Long b)
{
        if(b == 0)
        {
                return a;
        }
        else
        {
                return HCF(b, a % b);
        }
}

class Fraction_t
{
protected:
    Long Nume, Denom;
public:
    void SetVal(Long , Long);
    void Return ();
    Fraction_t operator + (Fraction_t);
    Fraction_t operator - (Fraction_t);
    Fraction_t operator * (Fraction_t);
    Fraction_t operator / (Fraction_t);
    Fraction_t Simplify (Fraction_t&);

}
*Fract1,
*Fract2,
*Fraction,
Frac1,
Frac2,
Fract;

void Fraction_t::SetVal(Long a, Long b)
{
    Nume = a;
    Denom = b;
}

void Fraction_t::Return()
{
    if (Nume != 0 && Denom != 1)
        cout << Nume << "/" << Denom;
    else if (Nume == 0)
        cout <<"0";
    else if (Denom == 1)
        cout << Nume;
}

Fraction_t Fraction_t::operator+ (Fraction_t)
{
    Fract.Nume = (Frac1.Nume*Frac2.Denom) + (Frac2.Nume*Frac1.Denom);
    Fract.Denom = (Frac1.Denom*Frac2.Denom);
    return Fract;
}

Fraction_t Fraction_t::operator- (Fraction_t)
{
    Fract.Nume = (Frac1.Nume*Frac2.Denom) - (Frac2.Nume*Frac1.Denom);
    Fract.Denom = (Frac1.Denom*Frac2.Denom);
    return Fract;
}

Fraction_t Fraction_t::operator* (Fraction_t)
{
    Fract.Nume = Frac1.Nume*Frac2.Nume;
    Fract.Denom = Frac1.Denom*Frac2.Denom;
    return Fract;
}

Fraction_t Fraction_t::operator/ (Fraction_t)
{
    Fract.Nume = Frac1.Nume*Frac2.Denom;
    Fract.Denom = Frac1.Denom*Frac2.Nume;
    return Fract;
}

Fraction_t Fraction_t::Simplify (Fraction_t& A)
{
    Long hcf = HCF(A.Nume, A.Denom);
    A.Nume = A.Nume/hcf;
    A.Denom = A.Denom /hcf;
    return A;
}

int main ()
{
    Long a,b,c,d;
    char Act;
    bool Loop = true;

    cout << "Please enter Numerator of First Fraction: ";
    cin >> a;
    cout << "Please enter Denominator of First Fraction: ";
    cin >> b;
    cout << "Please enter Numerator of Second Fraction: ";
    cin >> c;
    cout << "Please enter Denominator of Second Fraction: ";
    cin >> d;
    cin.sync();

    Fract1 = &Frac1;
    Fract2 = &Frac2;

    Fract1 -> SetVal(a,b);
    Fract2 ->SetVal (c,d);

    char Opt;

    cout << "\n\nWhat do you want to do with the Fraction:\n[Add -> A, Subtract -> S, Multiply -> M, Divide -> D]:  \n";
    cin >> Act;
        if (Act == 'A'  || Act == 'a'  )
        {
            Fract = Frac1 + Frac2;
            Opt = '+';
        }

        else if (Act == 'S' || Act == 's'  )
        {
            Fract = Frac1 - Frac2;
            Opt = '-';
        }

        else if (Act == 'M'  || Act == 'm'  )
        {
            Fract = Frac1*Frac2;
            Opt = '*';

        }

        else if (Act == 'D'  || Act == 'd'  )
        {
            Fract = Frac1/Frac2;
            Opt = '/';

        }

        else
            cout << "\nPlease Enter a valid option.\n";

    Fraction = &Fract;

    Fract1 -> Simplify(Frac1);
    Fract2 -> Simplify(Frac2);
    Fraction -> Simplify(Fract);

    cout << " [ ";
    Fract1 -> Return();
    cout << " ] ";
    cout << Opt;
    cout << " [ ";
    Fract2 -> Return();
    cout << " ]  =  ";
    Fraction -> Return();

    cout << "\n________________________________________________________________________________";
    ;cout << "\n\nPress ENTER to continue . . . ";
    cin.sync();
    cin.get();
    return 0;
}