public Rational(int numerator = 1, int divider = 1, int sign = 1, bool reduce = true)
{
if (divider == 0)
{
throw new DivideByZeroException();
}
var(n, d) = (reduce) ? GCD.ReduceNumber(Math.Abs(numerator), Math.Abs(divider)) : (numerator, divider);
this.numerator = n;
this.divider = d;
this.sign = sign;
}
public static (int, int) ReduceNumber(int numerator, int divider)
{
int maxDivider = GCD.findGCD(numerator, divider);
return(numerator / maxDivider, divider / maxDivider);
}