Solution - Long subtraction
0.093
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | . | 1 | 2 | 3 | |
| - | 0 | . | 0 | 3 | |
| . |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | . | 1 | 2 | 3 | |
| - | 0 | . | 0 | 3 | 0 |
| . |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the thousandths column from the top number:
3-0=3
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | . | 1 | 2 | 3 | |
| - | 0 | . | 0 | 3 | 0 |
| . | 3 |
Because the upper digit (2) in the hundredths 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 (12).
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | 12 | ||||
| 0 | . | 1 | 2 | 3 | |
| - | 0 | . | 0 | 3 | 0 |
| . | 3 |
Subtract the numbers in the hundredths column from the top number:
12-3=9
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | 12 | ||||
| 0 | . | 1 | 2 | 3 | |
| - | 0 | . | 0 | 3 | 0 |
| . | 9 | 3 |
Subtract the numbers in the tenths column from the top number:
0-0=0
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | 12 | ||||
| 0 | . | 1 | 2 | 3 | |
| - | 0 | . | 0 | 3 | 0 |
| . | 0 | 9 | 3 |
Subtract the numbers in the ones column from the top number:
0-0=0
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | 12 | ||||
| 0 | . | 1 | 2 | 3 | |
| - | 0 | . | 0 | 3 | 0 |
| 0 | . | 0 | 9 | 3 |
The solution is: 0.093
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