No. It depends on how good you are at arithmetic.
you need to regroup when the bottom number is bigger than the top number
14 and 8 units
If the total in any column exceeds nine, you will have to regroup.
With addition, you need to regroup in the event that there are more than 10 ones or 10 tens. In a subtraction, you must regroup whenever there are insufficient ones or tens to subtract.