Yes, it can. The case and point is that you need to control where those moments of imprecision happen, and using fixed point a fixed point (often integer/long)

Yes, it can. The case and point is that you need to control where those moments of imprecision happen, and using fixed point a fixed point (often integer/long) representation is absolutely worth the effort because it's not much effort at all and you DEFINITELY care about when your money calculations involved rounding.