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#include <iostream>
using namespace std;
class Rational
{
int num;
int den;
public:
Rational(); //Default set to 0/1
Rational(int num);//set to whole number over 1
Rational(int num, int den); //set to any values
void setnum(int);
void setden(int);
void simplify(int num, int den); //simplify rational number
void displayRational(); // displays rational number
friend istream& operator>>(istream& ins, Rational& ratnum); //input opperator overload
friend ostream& operator>>(ostream& outs, const Rational& ratnum); //output operator overload
friend Rational operator+(const Rational& ratnum1, const Rational& ratnum2); //addition
friend Rational operator(const Rational& ratnum1, const Rational& ratnum2); //subtraction
friend Rational operator*(const Rational& ratnum1, const Rational& ratnum2); //multiply
friend Rational operator/(const Rational& ratnum1, const Rational& ratnum2); //divide
friend bool operator<(const Rational & ratnum1, const Rational & ratnum2); //less than
friend bool operator>(const Rational & ratnum1, const Rational & ratnum2); //greater than
friend bool operator<=(const Rational & ratnum1, const Rational & ratnum2); //less than or equal to
friend bool operator>=(const Rational & ratnum1, const Rational & ratnum2); //greater than or equal to
friend bool operator==(const Rational & ratnum1, const Rational & ratnum2); //equal to
};
Rational::Rational(): num(0), den(1)
{}//default constructor
Rational::Rational(int num): num(num), den(1)//sets numerator to whole number
{}
Rational::Rational(int num, int den): num(num), den(den)//sets to any value
{}
//simplify
void Rational::displayRational()// displays a rational number
{
cout << num <<"/"<< den << endl;
}
//input
ostream& operator << (ostream& outs, const Rational& RationalNmber) //output
{
int num, den;
outs << num << "/" << den ;
return outs;
}
int main()
{
Rational test1, test2(10), test3(1, 2);
test1.displayRational();
test2.displayRational();
test3.displayRational();
cout << "\nTest1 equals " << test1;
cout << "\nTest2 equals " << test2;
cout << "\nTest3 equals " << test3;
system ("pause");
return 0;
}
 