using System;

public class Program

{

    public static void Main()

    {

        double workflipa = -3.04;

        var output = workflipa - (int)workflipa;

        Console.WriteLine("no Math.Abs = " + output);

        output = Math.Abs(workflipa) - Math.Abs((int)workflipa);

        Console.WriteLine("no Math.Abs = " + output);

    }

}