# Add the numbers: 1,139 + 3,408 + 73,396 = ? Calculate the natural numbers sum and learn how to do the addition, column adding method, from right to left

## The numbers addition to perform: 1,139 + 3,408 + 73,396

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

#### And so on...

 1 1 3 9 3 4 0 8 + 7 3 3 9 6 ?

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

### Add the digits in the ones column:

#### 2 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.

 2 1 1 3 9 3 4 0 8 + 7 3 3 9 6 3

### Add the digits in the tens column:

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

 1 2 1 1 3 9 3 4 0 8 + 7 3 3 9 6 4 3

### Add the digits in the hundreds column:

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

 1 2 1 1 3 9 3 4 0 8 + 7 3 3 9 6 9 4 3

### Add the digits in the thousands column:

#### 7 is the thousands digit. Write it down at the base of the thousands column.

 1 2 1 1 3 9 3 4 0 8 + 7 3 3 9 6 7 9 4 3

### Add the digits in the ten thousands column:

#### 7 is the ten thousands digit. Write it down at the base of the ten thousands column.

 1 2 1 1 3 9 3 4 0 8 + 7 3 3 9 6 7 7 9 4 3