Soluzione - Long subtraction
0,81
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths |
| 5 | , | 8 | 1 | |
| - | 5 | |||
| , |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths |
| 5 | , | 8 | 1 | |
| - | 5 | , | 0 | 0 |
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
1-0=1
| Place value | ones | . | tenths | hundredths |
| 5 | , | 8 | 1 | |
| - | 5 | , | 0 | 0 |
| , | 1 |
Subtract the numbers in the tenths column from the top number:
8-0=8
| Place value | ones | . | tenths | hundredths |
| 5 | , | 8 | 1 | |
| - | 5 | , | 0 | 0 |
| , | 8 | 1 |
Subtract the numbers in the ones column from the top number:
5-5=0
| Place value | ones | . | tenths | hundredths |
| 5 | , | 8 | 1 | |
| - | 5 | , | 0 | 0 |
| 0 | , | 8 | 1 |
The solution is: 0,81
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