Solution - Long subtraction
0.83
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths |
| 8 | . | 3 | 3 | |
| - | 7 | . | 5 | |
| . |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths |
| 8 | . | 3 | 3 | |
| - | 7 | . | 5 | 0 |
| . |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
3-0=3
| Place value | ones | . | tenths | hundredths |
| 8 | . | 3 | 3 | |
| - | 7 | . | 5 | 0 |
| . | 3 |
Because the upper digit (3) in the tenths column is too small to get a positive difference, borrow 1 from the digit (8) in the next number place which becomes (7) and get (13).
| Place value | ones | . | tenths | hundredths |
| 7 | 13 | |||
| 8 | . | 3 | 3 | |
| - | 7 | . | 5 | 0 |
| . | 3 |
Subtract the numbers in the tenths column from the top number:
13-5=8
| Place value | ones | . | tenths | hundredths |
| 7 | 13 | |||
| 8 | . | 3 | 3 | |
| - | 7 | . | 5 | 0 |
| . | 8 | 3 |
Subtract the numbers in the ones column from the top number:
7-7=0
| Place value | ones | . | tenths | hundredths |
| 7 | 13 | |||
| 8 | . | 3 | 3 | |
| - | 7 | . | 5 | 0 |
| 0 | . | 8 | 3 |
The solution is: 0.83
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