Soluzione - Long subtraction
0,22
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths |
| 0 | , | 4 | ||
| - | 0 | , | 1 | 8 |
| , |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths |
| 0 | , | 4 | 0 | |
| - | 0 | , | 1 | 8 |
| , |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the hundredths column is too small to get a positive difference, borrow 1 from the digit (4) in the next number place which becomes (3) and get (10).
| Place value | ones | . | tenths | hundredths |
| 3 | 10 | |||
| 0 | , | 4 | 0 | |
| - | 0 | , | 1 | 8 |
| , |
Subtract the numbers in the hundredths column from the top number:
10-0-8=2
| Place value | ones | . | tenths | hundredths |
| 3 | 10 | |||
| 0 | , | 4 | 0 | |
| - | 0 | , | 1 | 8 |
| , | 2 |
Subtract the numbers in the tenths column from the top number:
3-1=2
| Place value | ones | . | tenths | hundredths |
| 3 | 10 | |||
| 0 | , | 4 | 0 | |
| - | 0 | , | 1 | 8 |
| , | 2 | 2 |
Subtract the numbers in the ones column from the top number:
0-0=0
| Place value | ones | . | tenths | hundredths |
| 3 | 10 | |||
| 0 | , | 4 | 0 | |
| - | 0 | , | 1 | 8 |
| 0 | , | 2 | 2 |
The solution is: 0,22
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