static void Main(string[] args)
{
Fraction f = new Fraction(400, 100);
Fraction f1 = new Fraction(160, 40);
Console.WriteLine(f.GetString());
Console.WriteLine(f1.GetString());
Console.WriteLine();
Console.WriteLine(f.EgalA(f1));
f.Reduire();
f1.Reduire();
Console.WriteLine(f.GetString());
Console.WriteLine(f1.GetString());
Console.WriteLine();
Fraction f2 = f * f1;
Console.WriteLine(f2.GetString());
Console.ReadKey();
}