Add the numbers: 166 + 236 + 7,551 = ? Calculate the natural numbers sum and learn how to do the addition, column adding method, from right to left

The numbers addition to perform: 166 + 236 + 7,551

Stack the numbers on top of each other.

And so on...

 1 6 6 2 3 6 + 7 5 5 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 1 6 6 2 3 6 + 7 5 5 1 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 1 1 6 6 2 3 6 + 7 5 5 1 5 3

Add the digits in the hundreds column:

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

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

Add the digits in the thousands column:

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

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