public static Fraction operator +(Fraction f1, Fraction f2)
{
var lowestCommonMultiple = NumberTheory.LowestCommonMultiple(f1.m_Denominator, f2.m_Denominator);
return(new Fraction(f1.m_Numerator * lowestCommonMultiple / f1.m_Denominator +
f2.m_Numerator * lowestCommonMultiple / f2.m_Denominator,
lowestCommonMultiple));
}
public Fraction(int numerator, int denominator = 1)
{
if (denominator == 0)
{
throw new ArgumentException(nameof(denominator));
}
var gcd = NumberTheory.GreatestCommonDivisor(numerator, denominator) * Math.Sign(denominator);
m_Numerator = numerator / gcd;
m_Denominator = denominator / gcd;
}