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

## The operation to perform: - 68 - 90

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

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

 6 8 + 9 0 ?

## Add column by column; start from the column on the right.

### Add the digits in the ones column:

#### 8 is the ones digit. Write it down at the base of the ones column.

 6 8 + 9 0 8

### Add the digits in the tens column:

#### 1 is the hundreds digit. Write it down at the base, next to the tens digit.

 6 8 + 9 0 1 5 8

## The latest numbers that were subtracted

 - 68 - 90 = ? Dec 04 00:39 UTC (GMT) - 1,062 - 2,022 - 584 - 391 = ? Dec 04 00:39 UTC (GMT) 635 - 584 - 702 + 512 + 1,129 = ? Dec 04 00:38 UTC (GMT) - 553 - 4,256 + 798 + 2,168 - 676 + 696 = ? Dec 04 00:38 UTC (GMT) - 7,198 - 5,766 = ? Dec 04 00:38 UTC (GMT) - 302 + 310 = ? Dec 04 00:37 UTC (GMT) - 185 + 187 = ? Dec 04 00:36 UTC (GMT) 3,371 - 1,374 = ? Dec 04 00:35 UTC (GMT) - 514 - 440 + 556 - 403 + 984 = ? Dec 04 00:34 UTC (GMT) 2,440 - 9,857 = ? Dec 04 00:34 UTC (GMT) 3,496 - 1,561 = ? Dec 04 00:34 UTC (GMT) - 975 + 2,000 - 502 - 307 = ? Dec 04 00:33 UTC (GMT) 796 - 276 = ? Dec 04 00:33 UTC (GMT) All the numbers that were subtracted by users