# Subtract the numbers: 68 - 90 = ? Calculate the numbers difference and learn how to do the subtraction, column subtracting method, from right to left

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

#### The tens digits line up in the next column to the left.

 9 0 - 6 8 ?

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

### Subtract the digits in the ones column:

#### When borrowing, 1 ten = 10 ones. Add 10 to the top digit in the column of the ones: 10 + 0 = 10.

 8 10 9 0 - 6 8

#### After borrowing, the subtraction has become: 10 - 8 = 2. 2 is the ones digit. Write it down at the base of the ones column.

 8 10 9 0 - 6 8 2

### Subtract the digits in the tens column:

#### 98 - 6 = 2. 2 is the tens digit. Write it down at the base of the tens column.

 8 10 9 0 - 6 8 2 2

## The latest 13 operations with subtracted numbers:

 68 - 90 = ? May 30 22:39 UTC (GMT) - 3,293 + 1,342 = ? May 30 22:39 UTC (GMT) - 943 - 1,927 - 508 - 294 = ? May 30 22:39 UTC (GMT) - 3,946 + 9,463 + 10,081 = ? May 30 22:39 UTC (GMT) 154 + 86 - 89 - 154 + 55 + 92 + 123 + 69 = ? May 30 22:39 UTC (GMT) - 52 + 106 + 50 + 50 - 116 - 61 - 66 - 50 = ? May 30 22:39 UTC (GMT) 943 + 1,922 + 489 - 292 = ? May 30 22:39 UTC (GMT) - 2,403 + 2,431 = ? May 30 22:39 UTC (GMT) - 421 - 2,997 - 18,371 - 256 + 61 = ? May 30 22:39 UTC (GMT) - 591 + 466 - 594 + 470 - 1,007 = ? May 30 22:39 UTC (GMT) 1,007 + 1,073 - 968 + 743 + 383 - 572 = ? May 30 22:39 UTC (GMT) 7,193 - 5,690 = ? May 30 22:39 UTC (GMT) - 424 + 339 + 441 - 334 - 878 = ? May 30 22:39 UTC (GMT) All the operations with the numbers subtracted by users...

# How to subtract numbers? Let's learn with an example

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

#### The tens digits line up in the next column to the left.

 5 2 - 3 7 ?

### Subtract the digits in the ones column:

#### When borrowing, 1 ten = 10 ones. Add 10 to the top digit in the column of the ones: 10 + 2 = 12.

 4 5 12 - 3 7

#### After borrowing the subtraction has become: it2brw: 12 - 7 = 5. 5 is the ones digit. Write it down at the base of the ones column.

 4 5 12 - 3 7 5

### Subtract the digits in the tens column:

#### it1go: 54 - 3 = 1. 1 is the tens digit. Write it down at the base of the tens column.

 4 5 12 - 3 7 1 5