Solution - Long subtraction
182
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
Place value | hundreds | tens | ones |
3 | 0 | 8 | |
- | 1 | 2 | 6 |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
8-6=2
Place value | hundreds | tens | ones |
3 | 0 | 8 | |
- | 1 | 2 | 6 |
2 |
Because the upper digit (0) in the tens column is too small to get a positive difference, borrow 1 from the digit (3) in the next number place which becomes (2) and get (10).
Place value | hundreds | tens | ones |
2 | 10 | ||
3 | 0 | 8 | |
- | 1 | 2 | 6 |
2 |
Subtract the numbers in the tens column from the top number:
10-2=8
Place value | hundreds | tens | ones |
2 | 10 | ||
3 | 0 | 8 | |
- | 1 | 2 | 6 |
8 | 2 |
Subtract the numbers in the hundreds column from the top number:
2-1=1
Place value | hundreds | tens | ones |
2 | 10 | ||
3 | 0 | 8 | |
- | 1 | 2 | 6 |
1 | 8 | 2 |
The solution is: 182
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