Solution - Long subtraction
2,286
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 3 | 4 | 2 | 4 | |
| 1 | 1 | 1 | 7 | |
| - | 2 | 1 | ||
2. Subtract the numbers using long subtraction method
Because the upper digit (4) in the ones 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 (14).
| Place value | thousands | hundreds | tens | ones |
| 1 | 14 | |||
| 3 | 4 | 2 | 4 | |
| 1 | 1 | 1 | 7 | |
| - | 2 | 1 | ||
Subtract the numbers in the ones column from the top number:
14-7-1=6
| Place value | thousands | hundreds | tens | ones |
| 1 | 14 | |||
| 3 | 4 | 2 | 4 | |
| 1 | 1 | 1 | 7 | |
| - | 2 | 1 | ||
| 6 |
Because the upper digit (1) in the tens column is too small to get a positive difference, borrow 1 from the digit (4) in the next number place which becomes (3) and get (11).
| Place value | thousands | hundreds | tens | ones |
| 3 | 11 | |||
| 1 | 14 | |||
| 3 | 4 | 2 | 4 | |
| 1 | 1 | 1 | 7 | |
| - | 2 | 1 | ||
| 6 |
Subtract the numbers in the tens column from the top number:
11-1-2=8
| Place value | thousands | hundreds | tens | ones |
| 3 | 11 | |||
| 1 | 14 | |||
| 3 | 4 | 2 | 4 | |
| 1 | 1 | 1 | 7 | |
| - | 2 | 1 | ||
| 8 | 6 |
Subtract the numbers in the hundreds column from the top number:
3-1=2
| Place value | thousands | hundreds | tens | ones |
| 3 | 11 | |||
| 1 | 14 | |||
| 3 | 4 | 2 | 4 | |
| 1 | 1 | 1 | 7 | |
| - | 2 | 1 | ||
| 2 | 8 | 6 |
Subtract the numbers in the thousands column from the top number:
3-1=2
| Place value | thousands | hundreds | tens | ones |
| 3 | 11 | |||
| 1 | 14 | |||
| 3 | 4 | 2 | 4 | |
| 1 | 1 | 1 | 7 | |
| - | 2 | 1 | ||
| 2 | 2 | 8 | 6 |
The solution is: 2,286
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