# Subtract the numbers: - 978 + 1,042 - 921 - 717 - 350 + 521 = ? Calculate the numbers difference and learn how to do the subtraction, column subtracting method, from right to left

## The operation to perform: 1,042 + 521

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

#### And so on...

 1 0 4 2 + 5 2 1 ?

## 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.

 1 0 4 2 + 5 2 1 3

### Add the digits in the tens column:

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

 1 0 4 2 + 5 2 1 6 3

### Add the digits in the hundreds column:

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

 1 0 4 2 + 5 2 1 5 6 3

### Add the digits in the thousands column:

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

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

## The operation to perform: - 978 - 921 - 717 - 350

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

#### And so on...

 9 7 8 9 2 1 7 1 7 + 3 5 0 ?

## 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 9 7 8 9 2 1 7 1 7 + 3 5 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 9 7 8 9 2 1 7 1 7 + 3 5 0 6 6

### Add the digits in the hundreds column:

#### 2 is the thousands digit. Write it down at the base, next to the hundreds digit.

 1 1 9 7 8 9 2 1 7 1 7 + 3 5 0 2 9 6 6

## Now subtract the final numbers above: 1,563 - 2,966 = ?

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

#### And so on...

 2 9 6 6 - 1 5 6 3 ?

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

### Subtract the digits in the ones column:

#### 6 - 3 = 3. 3 is the ones digit. Write it down at the base of the ones column.

 2 9 6 6 - 1 5 6 3 3

### Subtract the digits in the tens column:

#### 6 - 6 = 0. 0 is the tens digit. Write it down at the base of the tens column.

 2 9 6 6 - 1 5 6 3 0 3

### Subtract the digits in the hundreds column:

#### 9 - 5 = 4. 4 is the hundreds digit. Write it down at the base of the hundreds column.

 2 9 6 6 - 1 5 6 3 4 0 3

### Subtract the digits in the thousands column:

#### 2 - 1 = 1. 1 is the thousands digit. Write it down at the base of the thousands column.

 2 9 6 6 - 1 5 6 3 1 4 0 3

## The latest numbers that were subtracted

 - 978 + 1,042 - 921 - 717 - 350 + 521 = ? Dec 04 01:06 UTC (GMT) 123 - 171 = ? Dec 04 01:06 UTC (GMT) 72 - 70 = ? Dec 04 01:05 UTC (GMT) - 327 - 239 - 380 + 220 + 806 = ? Dec 04 01:05 UTC (GMT) - 2,500 - 9,909 = ? Dec 04 01:04 UTC (GMT) 3,366 - 1,443 = ? Dec 04 01:04 UTC (GMT) 946 + 1,946 + 509 - 291 = ? Dec 04 01:03 UTC (GMT) 441 - 4,151 - 689 + 2,038 - 530 - 586 = ? Dec 04 01:02 UTC (GMT) - 3,967 - 9,489 - 10,061 = ? Dec 04 01:01 UTC (GMT) 3,400 - 1,460 = ? Dec 04 01:01 UTC (GMT) - 555 - 270 - 311 - 224 + 247 - 237 + 330 = ? Dec 04 01:01 UTC (GMT) 133 - 90 = ? Dec 04 01:01 UTC (GMT) - 4,115 - 9,608 = ? Dec 04 00:59 UTC (GMT) All the numbers that were subtracted by users