Enter a problem...
Basic Math Examples
180-135180−135
Step 1
Step 1.1
Set up the subtraction problem in long subtraction format.
| 11 | 88 | 00 | |
| -− | 11 | 33 | 55 |
Step 1.2
Borrow 1010 from the digit in the next column to the left. Add the borrowed 1010 to 00. Reduce the number that was borrowed from by 11.
| 77 | 1010 | ||
| 11 | 8 | 0 | |
| - | 1 | 3 | 5 |
Step 1.3
Subtract 5 from 10.
| 7 | 10 | ||
| 1 | 8 | 0 | |
| - | 1 | 3 | 5 |
| 5 |
Step 1.4
Subtract 3 from 7.
| 7 | 10 | ||
| 1 | 8 | 0 | |
| - | 1 | 3 | 5 |
| 4 | 5 |
Step 1.5
Subtract 1 from 1.
| 7 | 10 | ||
| 1 | 8 | 0 | |
| - | 1 | 3 | 5 |
| 0 | 4 | 5 |
| 7 | 10 | ||
| 1 | 8 | 0 | |
| - | 1 | 3 | 5 |
| 0 | 4 | 5 |
Step 2
The result of 180-135 is 45.
45