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Basic Math Examples
90-6490−64
Step 1
Step 1.1
Set up the subtraction problem in long subtraction format.
99 | 00 | |
-− | 66 | 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.
88 | 1010 | |
9 | 0 | |
- | 6 | 4 |
Step 1.3
Subtract 4 from 10.
8 | 10 | |
9 | 0 | |
- | 6 | 4 |
6 |
Step 1.4
Subtract 6 from 8.
8 | 10 | |
9 | 0 | |
- | 6 | 4 |
2 | 6 |
8 | 10 | |
9 | 0 | |
- | 6 | 4 |
2 | 6 |
Step 2
The result of 90-64 is 26.
26