Solution - Long subtraction
3.3
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths |
| 7 | . | 6 | |
| 1 | . | 4 | |
| - | 2 | . | 9 |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (6) in the tenths column is too small to get a positive difference, borrow 1 from the digit (7) in the next number place which becomes (6) and get (16).
| Place value | ones | . | tenths |
| 6 | 16 | ||
| 7 | . | 6 | |
| 1 | . | 4 | |
| - | 2 | . | 9 |
| . |
Subtract the numbers in the tenths column from the top number:
16-4-9=3
| Place value | ones | . | tenths |
| 6 | 16 | ||
| 7 | . | 6 | |
| 1 | . | 4 | |
| - | 2 | . | 9 |
| . | 3 |
Subtract the numbers in the ones column from the top number:
6-1-2=3
| Place value | ones | . | tenths |
| 6 | 16 | ||
| 7 | . | 6 | |
| 1 | . | 4 | |
| - | 2 | . | 9 |
| 3 | . | 3 |
The solution is: 3.3
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