Soluzione - Long subtraction
3,92
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths |
| 6 | , | 3 | 2 | |
| - | 2 | , | 4 | |
| , |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths |
| 6 | , | 3 | 2 | |
| - | 2 | , | 4 | 0 |
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
2-0=2
| Place value | ones | . | tenths | hundredths |
| 6 | , | 3 | 2 | |
| - | 2 | , | 4 | 0 |
| , | 2 |
Because the upper digit (3) in the tenths column is too small to get a positive difference, borrow 1 from the digit (6) in the next number place which becomes (5) and get (13).
| Place value | ones | . | tenths | hundredths |
| 5 | 13 | |||
| 6 | , | 3 | 2 | |
| - | 2 | , | 4 | 0 |
| , | 2 |
Subtract the numbers in the tenths column from the top number:
13-4=9
| Place value | ones | . | tenths | hundredths |
| 5 | 13 | |||
| 6 | , | 3 | 2 | |
| - | 2 | , | 4 | 0 |
| , | 9 | 2 |
Subtract the numbers in the ones column from the top number:
5-2=3
| Place value | ones | . | tenths | hundredths |
| 5 | 13 | |||
| 6 | , | 3 | 2 | |
| - | 2 | , | 4 | 0 |
| 3 | , | 9 | 2 |
The solution is: 3,92
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