public static string calculateWithNonFractionA(string nonFractionA, string fractionB, string sign)
		{
			FractionClass fractionA = new FractionClass();
			fractionA.convertNumberToFraction(nonFractionA);
			string result = "0";

			result = performCases(fractionA.returnFractionAsString(), fractionB, sign);
			return result;
		}