Regrouping in subtraction is similar to regrouping in addition, except that instead of carrying a 1 to the next column, in cases where the number on top is smaller than the one on the bottom, a
Regrouping in subtraction is taking value from one number and giving it to another number. Just as you carry digits to another number in long addition, you borrow digits from another number in long subtraction. In a column, if the top