Solution - Long subtraction
2,071
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 5 | 2 | 1 | 7 | |
| - | 3 | 1 | 4 | 6 |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
7-6=1
| Place value | thousands | hundreds | tens | ones |
| 5 | 2 | 1 | 7 | |
| - | 3 | 1 | 4 | 6 |
| 1 |
Because the upper digit (1) in the tens column is too small to get a positive difference, borrow 1 from the digit (2) in the next number place which becomes (1) and get (11).
| Place value | thousands | hundreds | tens | ones |
| 1 | 11 | |||
| 5 | 2 | 1 | 7 | |
| - | 3 | 1 | 4 | 6 |
| 1 |
Subtract the numbers in the tens column from the top number:
11-4=7
| Place value | thousands | hundreds | tens | ones |
| 1 | 11 | |||
| 5 | 2 | 1 | 7 | |
| - | 3 | 1 | 4 | 6 |
| 7 | 1 |
Subtract the numbers in the hundreds column from the top number:
1-1=0
| Place value | thousands | hundreds | tens | ones |
| 1 | 11 | |||
| 5 | 2 | 1 | 7 | |
| - | 3 | 1 | 4 | 6 |
| 0 | 7 | 1 |
Subtract the numbers in the thousands column from the top number:
5-3=2
| Place value | thousands | hundreds | tens | ones |
| 1 | 11 | |||
| 5 | 2 | 1 | 7 | |
| - | 3 | 1 | 4 | 6 |
| 2 | 0 | 7 | 1 |
The solution is: 2,071
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