Soluzione - Long subtraction
3.853
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 6 | 2 | 0 | 4 | |
| - | 2 | 3 | 5 | 1 |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
4-1=3
| Place value | thousands | hundreds | tens | ones |
| 6 | 2 | 0 | 4 | |
| - | 2 | 3 | 5 | 1 |
| 3 |
Because the upper digit (0) 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 (10).
| Place value | thousands | hundreds | tens | ones |
| 1 | 10 | |||
| 6 | 2 | 0 | 4 | |
| - | 2 | 3 | 5 | 1 |
| 3 |
Subtract the numbers in the tens column from the top number:
10-5=5
| Place value | thousands | hundreds | tens | ones |
| 1 | 10 | |||
| 6 | 2 | 0 | 4 | |
| - | 2 | 3 | 5 | 1 |
| 5 | 3 |
Because the upper digit (1) in the hundreds column is too small to get a positive difference, borrow 1 from the digit (6) in the next number place which becomes (5) and get (11).
| Place value | thousands | hundreds | tens | ones |
| 5 | 11 | |||
| 1 | 10 | |||
| 6 | 2 | 0 | 4 | |
| - | 2 | 3 | 5 | 1 |
| 5 | 3 |
Subtract the numbers in the hundreds column from the top number:
11-3=8
| Place value | thousands | hundreds | tens | ones |
| 5 | 11 | |||
| 1 | 10 | |||
| 6 | 2 | 0 | 4 | |
| - | 2 | 3 | 5 | 1 |
| 8 | 5 | 3 |
Subtract the numbers in the thousands column from the top number:
5-2=3
| Place value | thousands | hundreds | tens | ones |
| 5 | 11 | |||
| 1 | 10 | |||
| 6 | 2 | 0 | 4 | |
| - | 2 | 3 | 5 | 1 |
| 3 | 8 | 5 | 3 |
The solution is: 3,853
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