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Basic Math Examples
30-2430−24
Step 1
Step 1.1
Set up the subtraction problem in long subtraction format.
33 | 00 | |
-− | 22 | 44 |
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.
22 | 1010 | |
3 | 0 | |
- | 2 | 4 |
Step 1.3
Subtract 4 from 10.
2 | 10 | |
3 | 0 | |
- | 2 | 4 |
6 |
Step 1.4
Subtract 2 from 2.
2 | 10 | |
3 | 0 | |
- | 2 | 4 |
0 | 6 |
2 | 10 | |
3 | 0 | |
- | 2 | 4 |
0 | 6 |
Step 2
The result of 30-24 is 6.
6