This is pretty much the same problem as what does 1/3 + 1/3 = in decimal. You are specifying fractions that don’t have an exact finite representation in that b

This is pretty much the same problem as what does 1/3 + 1/3 = in decimal. You are specifying fractions that don’t have an exact finite representation in that base (base 10 with 1/3) and (base 2 with 0.1 or 1/10). With proper rounding and I/O these are not generally an issue.