Solution - Long subtraction
0
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths |
| 3 | . | 4 | |
| 0 | . | 5 | |
| - | 2 | . | 9 |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (4) in the tenths 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 (14).
| Place value | ones | . | tenths |
| 2 | 14 | ||
| 3 | . | 4 | |
| 0 | . | 5 | |
| - | 2 | . | 9 |
| . |
Subtract the numbers in the tenths column from the top number:
14-5-9=0
| Place value | ones | . | tenths |
| 2 | 14 | ||
| 3 | . | 4 | |
| 0 | . | 5 | |
| - | 2 | . | 9 |
| . | 0 |
Subtract the numbers in the ones column from the top number:
2-0-2=0
| Place value | ones | . | tenths |
| 2 | 14 | ||
| 3 | . | 4 | |
| 0 | . | 5 | |
| - | 2 | . | 9 |
| 0 | . | 0 |
The solution is: 0
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