Solution - Long subtraction
675
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 7 | 5 | 0 | |
| - | 7 | 5 | |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the ones column is too small to get a positive difference, borrow 1 from the digit (5) in the next number place which becomes (4) and get (10).
| Place value | hundreds | tens | ones |
| 4 | 10 | ||
| 7 | 5 | 0 | |
| - | 7 | 5 | |
Subtract the numbers in the ones column from the top number:
10-5=5
| Place value | hundreds | tens | ones |
| 4 | 10 | ||
| 7 | 5 | 0 | |
| - | 7 | 5 | |
| 5 |
Because the upper digit (4) in the tens column is too small to get a positive difference, borrow 1 from the digit (7) in the next number place which becomes (6) and get (14).
| Place value | hundreds | tens | ones |
| 6 | 14 | ||
| 4 | 10 | ||
| 7 | 5 | 0 | |
| - | 7 | 5 | |
| 5 |
Subtract the numbers in the tens column from the top number:
14-7=7
| Place value | hundreds | tens | ones |
| 6 | 14 | ||
| 4 | 10 | ||
| 7 | 5 | 0 | |
| - | 7 | 5 | |
| 7 | 5 |
Write 6 in the hundreds place.
| Place value | hundreds | tens | ones |
| 6 | 14 | ||
| 4 | 10 | ||
| 7 | 5 | 0 | |
| - | 7 | 5 | |
| 6 | 7 | 5 |
The solution is: 675
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