Soluzione - Long subtraction
4,94
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths |
| 9 | , | 0 | 3 | |
| - | 4 | , | 0 | 9 |
| , |
2. Subtract the numbers using long subtraction method
Because the upper digit (3) in the hundredths column is too small to get a positive difference, borrow 1 from the number to the left (9.0) which becomes (8.9) and get (13).
| Place value | ones | . | tenths | hundredths |
| 8 | 9 | 13 | ||
| 9 | , | 0 | 3 | |
| - | 4 | , | 0 | 9 |
| , |
Subtract the numbers in the hundredths column from the top number:
13-9=4
| Place value | ones | . | tenths | hundredths |
| 8 | 9 | 13 | ||
| 9 | , | 0 | 3 | |
| - | 4 | , | 0 | 9 |
| , | 4 |
Subtract the numbers in the tenths column from the top number:
9-0=9
| Place value | ones | . | tenths | hundredths |
| 8 | 9 | 13 | ||
| 9 | , | 0 | 3 | |
| - | 4 | , | 0 | 9 |
| , | 9 | 4 |
Subtract the numbers in the ones column from the top number:
8-4=4
| Place value | ones | . | tenths | hundredths |
| 8 | 9 | 13 | ||
| 9 | , | 0 | 3 | |
| - | 4 | , | 0 | 9 |
| 4 | , | 9 | 4 |
The solution is: 4,94
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