public Rational Multiply(Rational num2)
{
int numer = numerator * num2.GetNumerator();
int denom = denominator * num2.GetDenominator();
Rational result = new Rational(numer, denom);
return result;
}
public Rational Add(Rational num2)
{
int commonDenom = denominator * num2.GetDenominator();
int numer1 = numerator * num2.GetDenominator();
int numer2 = num2.GetNumerator() * denominator;
int sum = numer1 + numer2;
Rational result = new Rational(sum, commonDenom);
return result;
}
public Rational Divide(Rational num2)
{
int numer = num2.GetDenominator();
int denom = num2.GetNumerator();
Rational r = new Rational(numer, denom);
Rational result = Multiply(r);
return result;
}
public Rational Subtract(Rational num2)
{
int commonDenom = denominator * num2.GetDenominator();
int numer1 = numerator * num2.GetDenominator();
int numer2 = num2.GetNumerator() * denominator;
int difference = numer1 - numer2;
Rational result = new Rational(difference, commonDenom);
return result;
}
public static void Main(string[] args)
{
Rational a = new Rational(3, 4);
Rational b = new Rational(4, 5);
Rational c = a.Add(b);
Console.WriteLine(c.StrVal());
c = b.Subtract(a);
Console.WriteLine(c.StrVal());
}
