public void Square3()
{
TFrac fracClass = new TFrac(-2, 3);
fracClass = fracClass.Square() as TFrac;
string answer = "4/9";
Assert.AreEqual(answer, fracClass.ToString());
}
public void Square2()
{
TFrac fracClass = new TFrac(0, 1);
fracClass = fracClass.Square() as TFrac;
string answer = "0/1";
Assert.AreEqual(answer, fracClass.ToString());
}
