Since 9 is a one-digit number, you do not need to carry anything over to the hundreds column. Now you can add the digits in the hundreds column (1 hundred + 2 hundreds = 3 hundreds).
Since 9 is a one-digit number, you do not need to carry anything over to the hundreds column.
Now you can add the digits in the hundreds column (1 hundred + 2 hundreds = 3 hundreds).
