Solution - Long subtraction
532.9
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones | . | tenths |
| 5 | 3 | 6 | |||
| - | 3 | . | 1 | ||
| . |
Put zeros in the blank number places:
| Place value | hundreds | tens | ones | . | tenths |
| 5 | 3 | 6 | . | 0 | |
| - | 3 | . | 1 | ||
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the tenths column is too small to get a positive difference, borrow 1 from the digit (6) in the next number place which becomes (5) and get (10).
| Place value | hundreds | tens | ones | . | tenths |
| 5 | 10 | ||||
| 5 | 3 | 6 | . | 0 | |
| - | 3 | . | 1 | ||
| . |
Subtract the numbers in the tenths column from the top number:
10-0-1=9
| Place value | hundreds | tens | ones | . | tenths |
| 5 | 10 | ||||
| 5 | 3 | 6 | . | 0 | |
| - | 3 | . | 1 | ||
| . | 9 |
Subtract the numbers in the ones column from the top number:
5-3=2
| Place value | hundreds | tens | ones | . | tenths |
| 5 | 10 | ||||
| 5 | 3 | 6 | . | 0 | |
| - | 3 | . | 1 | ||
| 2 | . | 9 |
Write 3 in the tens place.
| Place value | hundreds | tens | ones | . | tenths |
| 5 | 10 | ||||
| 5 | 3 | 6 | . | 0 | |
| - | 3 | . | 1 | ||
| 3 | 2 | . | 9 |
Write 5 in the hundreds place.
| Place value | hundreds | tens | ones | . | tenths |
| 5 | 10 | ||||
| 5 | 3 | 6 | . | 0 | |
| - | 3 | . | 1 | ||
| 5 | 3 | 2 | . | 9 |
The solution is: 532.9
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