static void Main(string[] args)
{
Rational r1 = new Rational(1, 2);
Rational r2 = new Rational(2, 1);
Rational r3 = new Rational(0, 2);
Rational r4 = new Rational(0, 1);
Console.WriteLine($"The original values for the first object is {r1} and the second object is {r2}.");
Console.WriteLine($"\nNow, There will be an increment in the first rational. The second object shall be added onto the first object.");
r1.IncreaseBy(r2);
Console.WriteLine($"\n{r1} is the new value for the first object after increasing it.");
Console.WriteLine($"\n{r3} is the original value for the third object. {r4} is the original value for the fourth object.");
Console.WriteLine($"\nNow, there will be a decrement in the 2 rationals. The third object will be subtracted onto the fourth object.");
r3.DecreaseBy(r4);
Console.WriteLine($"\n{r3} is the new value for the first object after decreasing it.\n");
}