Solution - Long subtraction
178
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
Place value | hundreds | tens | ones |
2 | 5 | 3 | |
- | 7 | 5 | |
2. Subtract the numbers using long subtraction method
Because the upper digit (3) in the ones column is too small to get a positive difference, borrow 1 from the digit (5) in the next number place which becomes (4) and get (13).
Place value | hundreds | tens | ones |
4 | 13 | ||
2 | 5 | 3 | |
- | 7 | 5 | |
Subtract the numbers in the ones column from the top number:
13-5=8
Place value | hundreds | tens | ones |
4 | 13 | ||
2 | 5 | 3 | |
- | 7 | 5 | |
8 |
Because the upper digit (4) 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 (14).
Place value | hundreds | tens | ones |
1 | 14 | ||
4 | 13 | ||
2 | 5 | 3 | |
- | 7 | 5 | |
8 |
Subtract the numbers in the tens column from the top number:
14-7=7
Place value | hundreds | tens | ones |
1 | 14 | ||
4 | 13 | ||
2 | 5 | 3 | |
- | 7 | 5 | |
7 | 8 |
Write 1 in the hundreds place.
Place value | hundreds | tens | ones |
1 | 14 | ||
4 | 13 | ||
2 | 5 | 3 | |
- | 7 | 5 | |
1 | 7 | 8 |
The solution is: 178
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