Soluzione - Long subtraction
97,25
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | ||||
| , |
Put zeros in the blank number places:
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | , | 0 | 0 | |
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
5-0=5
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | , | 0 | 0 | |
| , | 5 |
Subtract the numbers in the tenths column from the top number:
2-0=2
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | , | 0 | 0 | |
| , | 2 | 5 |
Subtract the numbers in the ones column from the top number:
7-0=7
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | , | 0 | 0 | |
| 7 | , | 2 | 5 |
Because the upper digit (3) in the tens column is too small to get a positive difference, borrow 1 from the digit (1) in the next number place which becomes (0) and get (13).
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 0 | 13 | |||||
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | , | 0 | 0 | |
| 7 | , | 2 | 5 |
Subtract the numbers in the tens column from the top number:
13-4=9
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 0 | 13 | |||||
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | , | 0 | 0 | |
| 9 | 7 | , | 2 | 5 |
Write 0 in the hundreds place.
| Place value | hundreds | tens | ones | . | tenths | hundredths |
| 0 | 13 | |||||
| 1 | 3 | 7 | , | 2 | 5 | |
| - | 4 | 0 | , | 0 | 0 | |
| 0 | 9 | 7 | , | 2 | 5 |
The solution is: 97,25
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