public static Fraction operator +(Fraction l, Fraction r)
{
if (l.Numerator == Empty.Numerator || l.Denominator == Empty.Denominator)
if (r.Numerator == Empty.Numerator || r.Denominator == Empty.Denominator)
{
Fraction f = 0;
return Empty;
}
else
return r;
if (r.Numerator == Empty.Numerator || r.Denominator == Empty.Denominator)
return l;
uint CommonDenominator = Common.LCM(l.Denominator, r.Denominator);
Fraction fr = new Fraction(l.Numerator * CommonDenominator / l.Denominator
+ r.Numerator * CommonDenominator / r.Denominator,
CommonDenominator);
return fr.Cancel();
}
public static Fraction operator *(Fraction l, Fraction r)
{
if (l.Numerator == Empty.Numerator || l.Denominator == Empty.Denominator)
if (r.Numerator == Empty.Numerator || r.Denominator == Empty.Denominator)
return Empty;
else
return r;
if (r.Numerator == Empty.Numerator || r.Denominator == Empty.Denominator)
return l;
Fraction fr = new Fraction(l.Numerator * r.Numerator,
l.Denominator * r.Denominator);
return fr.Cancel();
}