Soluzione - Long subtraction
1,9
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths |
| 7 | , | 6 | |
| - | 5 | , | 7 |
| , |
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 | |
| - | 5 | , | 7 |
| , |
Subtract the numbers in the tenths column from the top number:
16-7=9
| Place value | ones | . | tenths |
| 6 | 16 | ||
| 7 | , | 6 | |
| - | 5 | , | 7 |
| , | 9 |
Subtract the numbers in the ones column from the top number:
6-5=1
| Place value | ones | . | tenths |
| 6 | 16 | ||
| 7 | , | 6 | |
| - | 5 | , | 7 |
| 1 | , | 9 |
The solution is: 1,9
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