Soluzione - Long subtraction
4,58
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths |
| 5 | , | 3 | 6 | |
| - | 0 | , | 7 | 8 |
| , |
2. Subtract the numbers using long subtraction method
Because the upper digit (6) in the hundredths 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 (16).
| Place value | ones | . | tenths | hundredths |
| 2 | 16 | |||
| 5 | , | 3 | 6 | |
| - | 0 | , | 7 | 8 |
| , |
Subtract the numbers in the hundredths column from the top number:
16-8=8
| Place value | ones | . | tenths | hundredths |
| 2 | 16 | |||
| 5 | , | 3 | 6 | |
| - | 0 | , | 7 | 8 |
| , | 8 |
Because the upper digit (2) in the tenths column is too small to get a positive difference, borrow 1 from the digit (5) in the next number place which becomes (4) and get (12).
| Place value | ones | . | tenths | hundredths |
| 4 | 12 | |||
| 2 | 16 | |||
| 5 | , | 3 | 6 | |
| - | 0 | , | 7 | 8 |
| , | 8 |
Subtract the numbers in the tenths column from the top number:
12-7=5
| Place value | ones | . | tenths | hundredths |
| 4 | 12 | |||
| 2 | 16 | |||
| 5 | , | 3 | 6 | |
| - | 0 | , | 7 | 8 |
| , | 5 | 8 |
Subtract the numbers in the ones column from the top number:
4-0=4
| Place value | ones | . | tenths | hundredths |
| 4 | 12 | |||
| 2 | 16 | |||
| 5 | , | 3 | 6 | |
| - | 0 | , | 7 | 8 |
| 4 | , | 5 | 8 |
The solution is: 4,58
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