# Add the numbers: 240 + 5,151 + 422 = ? Calculate the natural numbers sum and learn how to do the addition, column adding method, from right to left

## The numbers addition to perform: 240 + 5,151 + 422

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

#### And so on...

 2 4 0 5 1 5 1 + 4 2 2 ?

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

### Add the digits in the ones column:

#### 3 is the ones digit. Write it down at the base of the ones column.

 2 4 0 5 1 5 1 + 4 2 2 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 4 0 5 1 5 1 + 4 2 2 1 3

### Add the digits in the hundreds column:

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

 1 2 4 0 5 1 5 1 + 4 2 2 8 1 3

### Add the digits in the thousands column:

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

 1 2 4 0 5 1 5 1 + 4 2 2 5 8 1 3