# Subtract the numbers: - 3,989 - 9,501 = ? Calculate the numbers difference and learn how to do the subtraction, column subtracting method, from right to left

## The operation to perform: - 3,989 - 9,501

### Stack the numbers on top of each other.

#### And so on...

 3 9 8 9 + 9 5 0 1 ?

## Add column by column; start from the column on the right.

### Add the digits in the ones column:

#### 1 is the tens digit. Carry it over to the tens column. Write the digit above that column. Add it with the rest of the digits in that column.

 1 3 9 8 9 + 9 5 0 1 0

### Add the digits in the tens column:

#### 9 is the tens digit. Write it down at the base of the tens column.

 1 3 9 8 9 + 9 5 0 1 9 0

### Add the digits in the hundreds column:

#### 1 is the thousands digit. Carry it over to the thousands column. Write the digit above that column. Add it with the rest of the digits in that column.

 1 1 3 9 8 9 + 9 5 0 1 4 9 0

### Add the digits in the thousands column:

#### 1 is the ten thousands digit. Write it down at the base, next to the thousands digit.

 1 1 3 9 8 9 + 9 5 0 1 1 3 4 9 0