# Subtract the numbers: - 435 + 669 - 79 - 1,935 + 68 = ? Calculate the numbers difference and learn how to do the subtraction, column subtracting method, from right to left

## The operation to perform: 669 + 68

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

#### And so on...

 6 6 9 + 6 8 ?

## 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 6 6 9 + 6 8 7

### 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 6 6 9 + 6 8 3 7

### Add the digits in the hundreds column:

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

 1 1 6 6 9 + 6 8 7 3 7

## The operation to perform: - 435 - 79 - 1,935

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

#### And so on...

 4 3 5 7 9 + 1 9 3 5 ?

## 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 4 3 5 7 9 + 1 9 3 5 9

### 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 4 3 5 7 9 + 1 9 3 5 4 9

### Add the digits in the hundreds column:

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

 1 1 1 4 3 5 7 9 + 1 9 3 5 4 4 9

### Add the digits in the thousands column:

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

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

## Now subtract the final numbers above: 737 - 2,449 = ?

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

#### And so on...

 2 4 4 9 - 7 3 7 ?

## Subtract column by column; start from the column on the right

### Subtract the digits in the ones column:

#### 9 - 7 = 2. 2 is the ones digit. Write it down at the base of the ones column.

 2 4 4 9 - 7 3 7 2

### Subtract the digits in the tens column:

#### 4 - 3 = 1. 1 is the tens digit. Write it down at the base of the tens column.

 2 4 4 9 - 7 3 7 1 2

### Subtract the digits in the hundreds column:

#### When borrowing, 1 thousand = 10 hundreds. Add 10 to the top digit in the column of the hundreds: 10 + 4 = 14.

 1 2 14 4 9 - 7 3 7 1 2

#### After borrowing, the subtraction has become: 14 - 7 = 10 + 4 - 7 = 10 + 4 - 7 = 4 + (10 - 7) = 4 + 3 = 7. 7 is the hundreds digit. Write it down at the base of the hundreds column.

 1 2 14 4 9 - 7 3 7 7 1 2

### Subtract the digits in the thousands column:

#### There is a single digit in this column: 21. 1 is the thousands digit. Write it down at the base of the thousands column.

 1 2 14 4 9 - 7 3 7 1 7 1 2

## The latest numbers that were subtracted

 - 435 + 669 - 79 - 1,935 + 68 = ? Jul 13 21:24 UTC (GMT) - 471 + 4,196 - 684 - 2,078 + 559 - 607 = ? Jul 13 21:22 UTC (GMT) - 1,008 + 1,064 - 950 + 735 - 347 - 533 = ? Jul 13 21:12 UTC (GMT) 1,007 + 1,075 + 934 - 737 + 373 - 587 = ? Jul 13 21:12 UTC (GMT) 986 + 1,066 + 952 + 725 - 333 - 526 = ? Jul 13 21:12 UTC (GMT) - 7,097 - 5,579 = ? Jul 13 21:11 UTC (GMT) - 7,110 + 5,606 = ? Jul 13 21:11 UTC (GMT) 300 - 4,009 - 517 + 1,897 + 415 + 425 = ? Jul 13 21:05 UTC (GMT) - 1,029 - 1,105 - 955 + 744 - 365 + 552 = ? Jul 13 21:04 UTC (GMT) 996 - 1,053 + 936 - 745 + 348 + 540 = ? Jul 13 21:03 UTC (GMT) - 7,090 + 5,569 = ? Jul 13 21:00 UTC (GMT) 158 - 88 - 79 - 152 + 56 - 86 - 111 + 80 = ? Jul 13 20:59 UTC (GMT) - 417 + 4,108 - 647 - 2,025 - 526 + 565 = ? Jul 13 20:57 UTC (GMT) All the numbers that were subtracted by users