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Basic Math Examples
12-512−5
Step 1
Step 1.1
Set up the subtraction problem in long subtraction format.
11 | 22 | |
-− | 55 |
Step 1.2
Borrow 1010 from the digit in the next column to the left. Add the borrowed 1010 to 22. Reduce the number that was borrowed from by 11.
00 | 1212 | |
1 | 2 | |
- | 5 |
Step 1.3
Subtract 5 from 12.
0 | 12 | |
1 | 2 | |
- | 5 | |
7 |
Step 1.4
Subtract 0 from 0.
0 | 12 | |
1 | 2 | |
- | 5 | |
0 | 7 |
0 | 12 | |
1 | 2 | |
- | 5 | |
0 | 7 |
Step 2
The result of 12-5 is 7.
7