Solution - Long subtraction
403
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
Place value | hundreds | tens | ones |
7 | 0 | 1 | |
- | 2 | 9 | 8 |
2. Subtract the numbers using long subtraction method
Because the upper digit (1) in the ones column is too small to get a positive difference, borrow 1 from the number to the left (70) which becomes (69) and get (11).
Place value | hundreds | tens | ones |
6 | 9 | 11 | |
7 | 0 | 1 | |
- | 2 | 9 | 8 |
Subtract the numbers in the ones column from the top number:
11-8=3
Place value | hundreds | tens | ones |
6 | 9 | 11 | |
7 | 0 | 1 | |
- | 2 | 9 | 8 |
3 |
Subtract the numbers in the tens column from the top number:
9-9=0
Place value | hundreds | tens | ones |
6 | 9 | 11 | |
7 | 0 | 1 | |
- | 2 | 9 | 8 |
0 | 3 |
Subtract the numbers in the hundreds column from the top number:
6-2=4
Place value | hundreds | tens | ones |
6 | 9 | 11 | |
7 | 0 | 1 | |
- | 2 | 9 | 8 |
4 | 0 | 3 |
The solution is: 403
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