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Basic Math Examples
10-2.5
Step 1
Step 1.1
Set up the subtraction problem in long subtraction format.
1 | 0 | |||
- | 2 | . | 5 | |
. |
Step 1.2
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to 0. Reduce the number that was borrowed from by 1.
-1 | 10 | |||
1 | 0 | |||
- | 2 | . | 5 | |
. |
Step 1.3
Subtract 5 from 10.
-1 | 10 | |||
1 | 0 | |||
- | 2 | . | 5 | |
. | 5 |
Step 1.4
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to -1. Reduce the number that was borrowed from by 1.
0 | 9 | 10 | ||
1 | 0 | |||
- | 2 | . | 5 | |
. | 5 |
Step 1.5
Subtract 2 from 9.
0 | 9 | 10 | ||
1 | 0 | |||
- | 2 | . | 5 | |
7 | . | 5 |
Step 1.6
Subtract 0 from 0.
0 | 9 | 10 | ||
1 | 0 | |||
- | 2 | . | 5 | |
0 | 7 | . | 5 |
0 | 9 | 10 | ||
1 | 0 | |||
- | 2 | . | 5 | |
0 | 7 | . | 5 |
Step 2
The result of 10-2.5 is 7.5.
7.5