Solution - Long subtraction
8,734
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 8 | 7 | 5 | 2 | |
| - | 1 | 8 | ||
2. Subtract the numbers using long subtraction method
Because the upper digit (2) 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 (12).
| Place value | thousands | hundreds | tens | ones |
| 4 | 12 | |||
| 8 | 7 | 5 | 2 | |
| - | 1 | 8 | ||
Subtract the numbers in the ones column from the top number:
12-8=4
| Place value | thousands | hundreds | tens | ones |
| 4 | 12 | |||
| 8 | 7 | 5 | 2 | |
| - | 1 | 8 | ||
| 4 |
Subtract the numbers in the tens column from the top number:
4-1=3
| Place value | thousands | hundreds | tens | ones |
| 4 | 12 | |||
| 8 | 7 | 5 | 2 | |
| - | 1 | 8 | ||
| 3 | 4 |
Write 7 in the hundreds place.
| Place value | thousands | hundreds | tens | ones |
| 4 | 12 | |||
| 8 | 7 | 5 | 2 | |
| - | 1 | 8 | ||
| 7 | 3 | 4 |
Write 8 in the thousands place.
| Place value | thousands | hundreds | tens | ones |
| 4 | 12 | |||
| 8 | 7 | 5 | 2 | |
| - | 1 | 8 | ||
| 8 | 7 | 3 | 4 |
The solution is: 8,734
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