Solution - Long subtraction
384
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
Place value | hundreds | tens | ones |
8 | 4 | 0 | |
- | 4 | 5 | 6 |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the ones 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 (10).
Place value | hundreds | tens | ones |
3 | 10 | ||
8 | 4 | 0 | |
- | 4 | 5 | 6 |
Subtract the numbers in the ones column from the top number:
10-6=4
Place value | hundreds | tens | ones |
3 | 10 | ||
8 | 4 | 0 | |
- | 4 | 5 | 6 |
4 |
Because the upper digit (3) in the tens column is too small to get a positive difference, borrow 1 from the digit (8) in the next number place which becomes (7) and get (13).
Place value | hundreds | tens | ones |
7 | 13 | ||
3 | 10 | ||
8 | 4 | 0 | |
- | 4 | 5 | 6 |
4 |
Subtract the numbers in the tens column from the top number:
13-5=8
Place value | hundreds | tens | ones |
7 | 13 | ||
3 | 10 | ||
8 | 4 | 0 | |
- | 4 | 5 | 6 |
8 | 4 |
Subtract the numbers in the hundreds column from the top number:
7-4=3
Place value | hundreds | tens | ones |
7 | 13 | ||
3 | 10 | ||
8 | 4 | 0 | |
- | 4 | 5 | 6 |
3 | 8 | 4 |
The solution is: 384
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