Addition of numbers

Addition of numbers

Recall that, in order to add two or more numbers you have to consider the place value of each digit in the given number. First, add the ones, followed by the tens, hundreds, thousands, ten thousands and so on. Also, remember that you can add the numbers horizontally or vertically by regrouping or without regrouping.

Addition of whole numbers horizontally or vertically without regrouping

Example

1,463,069 + 7,532,810 =

Solution

Use the following steps to add the given numbers horizontally:

Step	Description	Calculation
1	Add ones: 9 + 0 = 9. Write 9 in the ones place.	1,463,069 + 7,532,810 = ______9
2	Add tens: 6 + 1 = 7. Write 7 in the tens place.	1,463,069 + 7,532,810 = _____879
3	Add hundreds: 0 + 8 = 8. Write 8 in the hundreds place.	1,463,069 + 7,532,810 = __9,5879
4	Add thousands: 3 + 2 = 5. Write 5 in the thousands place.	1,463,069 + 7,532,810 = ______79
5	Add ten thousands: 6 + 3 = 9. Write 9 in the ten thousands place.	1,463,069 + 7,532,810 = ___5,879
6	Add hundred thousands: 4 + 5 = 9. Write 9 in the hundred thousands place.	1,463,069 + 7,532,810 = __99,5879
7	Add millions: 1 + 7 = 8. Write 8 in the millions place.	1,463,069 + 7,532,810 = 8,995,879

Therefore, 1,463,069 + 7,532,810 = 8,995,879