Soluzione - Long subtraction
25,18
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths | hundredths |
| 2 | 7 | , | 2 | 8 | |
| - | 2 | , | 1 | ||
| , |
Put zeros in the blank number places:
| Place value | tens | ones | . | tenths | hundredths |
| 2 | 7 | , | 2 | 8 | |
| - | 2 | , | 1 | 0 | |
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
8-0=8
| Place value | tens | ones | . | tenths | hundredths |
| 2 | 7 | , | 2 | 8 | |
| - | 2 | , | 1 | 0 | |
| , | 8 |
Subtract the numbers in the tenths column from the top number:
2-1=1
| Place value | tens | ones | . | tenths | hundredths |
| 2 | 7 | , | 2 | 8 | |
| - | 2 | , | 1 | 0 | |
| , | 1 | 8 |
Subtract the numbers in the ones column from the top number:
7-2=5
| Place value | tens | ones | . | tenths | hundredths |
| 2 | 7 | , | 2 | 8 | |
| - | 2 | , | 1 | 0 | |
| 5 | , | 1 | 8 |
Write 2 in the tens place.
| Place value | tens | ones | . | tenths | hundredths |
| 2 | 7 | , | 2 | 8 | |
| - | 2 | , | 1 | 0 | |
| 2 | 5 | , | 1 | 8 |
The solution is: 25,18
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