# Add the numbers: 172 + 224 + 7,540 = ? Calculate the natural numbers sum and learn how to do the addition, column adding method, from right to left

## The numbers addition to perform: 172 + 224 + 7,540

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

#### And so on...

 1 7 2 2 2 4 + 7 5 4 0 ?

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

### Add the digits in the ones column:

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

 1 7 2 2 2 4 + 7 5 4 0 6

### 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 1 7 2 2 2 4 + 7 5 4 0 3 6

### Add the digits in the hundreds column:

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

 1 1 7 2 2 2 4 + 7 5 4 0 9 3 6

### Add the digits in the thousands column:

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

 1 1 7 2 2 2 4 + 7 5 4 0 7 9 3 6