//--------------- FRAC.H ---------------

class Fraction
{

public:
   Fraction();			// Set numerator = 0, denominator = 1.
   Fraction(int n, int d=1);	// constructor with parameters

   // standard input/output routines
   void Input();		// input a fraction from keyboard.
   void Show();			// Display a fraction on screen

   // accessors
   int GetNumerator();		
   int GetDenominator();

   // mutator
   bool SetValue(int n, int d); // set the fraction's value through parameters

   // other
   double Evaluate();		// Return the decimal value of a fraction

   bool Equals(Fraction f);	// compare this fraction to f
   Fraction Add(Fraction f);    // add this fraction and f, return result


private:
   int numerator;		// top part (any integer)
   int denominator;		// denom must be non-zero
};