#ifndef __FRACTION_H__ #define __FRACTION_H__ struct fraction final { int numerator; int denominator; fraction operator+(const fraction &frac); fraction operator*(const fraction &frac); fraction &operator*=(const fraction &frac); fraction &operator=(const fraction &frac); bool operator==(const fraction &frac); bool operator!=(const fraction &frac); fraction &simplify(); float real() const; private: int gcd(int a, int b); }; #endif