Solution - Long subtraction
3.658
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | . | 6 | 5 | 8 | |
| - | 3 | ||||
| . |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | . | 6 | 5 | 8 | |
| - | 3 | . | 0 | 0 | 0 |
| . |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the thousandths column from the top number:
8-0=8
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | . | 6 | 5 | 8 | |
| - | 3 | . | 0 | 0 | 0 |
| . | 8 |
Subtract the numbers in the hundredths column from the top number:
5-0=5
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | . | 6 | 5 | 8 | |
| - | 3 | . | 0 | 0 | 0 |
| . | 5 | 8 |
Subtract the numbers in the tenths column from the top number:
6-0=6
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | . | 6 | 5 | 8 | |
| - | 3 | . | 0 | 0 | 0 |
| . | 6 | 5 | 8 |
Subtract the numbers in the ones column from the top number:
6-3=3
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | . | 6 | 5 | 8 | |
| - | 3 | . | 0 | 0 | 0 |
| 3 | . | 6 | 5 | 8 |
The solution is: 3.658
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