Solution - Long subtraction
4,927
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 4 | 9 | 3 | 9 | |
| 1 | ||||
| - | 1 | 1 | ||
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
9-1-1=7
| Place value | thousands | hundreds | tens | ones |
| 4 | 9 | 3 | 9 | |
| 1 | ||||
| - | 1 | 1 | ||
| 7 |
Subtract the numbers in the tens column from the top number:
3-1=2
| Place value | thousands | hundreds | tens | ones |
| 4 | 9 | 3 | 9 | |
| 1 | ||||
| - | 1 | 1 | ||
| 2 | 7 |
Write 9 in the hundreds place.
| Place value | thousands | hundreds | tens | ones |
| 4 | 9 | 3 | 9 | |
| 1 | ||||
| - | 1 | 1 | ||
| 9 | 2 | 7 |
Write 4 in the thousands place.
| Place value | thousands | hundreds | tens | ones |
| 4 | 9 | 3 | 9 | |
| 1 | ||||
| - | 1 | 1 | ||
| 4 | 9 | 2 | 7 |
The solution is: 4,927
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