Soluzione - Long subtraction
20,5
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 2 | 6 | , | 5 | 5 | |
| - | 1 | 0 | 6 | , | 0 | 5 |
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
5-5=0
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 2 | 6 | , | 5 | 5 | |
| - | 1 | 0 | 6 | , | 0 | 5 |
| , | 0 |
Subtract the numbers in the tenths column from the top number:
5-0=5
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 2 | 6 | , | 5 | 5 | |
| - | 1 | 0 | 6 | , | 0 | 5 |
| , | 5 | 0 |
Subtract the numbers in the ones column from the top number:
6-6=0
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 2 | 6 | , | 5 | 5 | |
| - | 1 | 0 | 6 | , | 0 | 5 |
| 0 | , | 5 | 0 |
Subtract the numbers in the tens column from the top number:
2-0=2
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 2 | 6 | , | 5 | 5 | |
| - | 1 | 0 | 6 | , | 0 | 5 |
| 2 | 0 | , | 5 | 0 |
Subtract the numbers in the hundreds column from the top number:
1-1=0
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 2 | 6 | , | 5 | 5 | |
| - | 1 | 0 | 6 | , | 0 | 5 |
| 0 | 2 | 0 | , | 5 | 0 |
The solution is: 20,5
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