Solution - Long subtraction
12.5
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
Place value | tens | ones | . | tenths |
1 | 7 | . | 6 | |
1 | ||||
- | 4 | . | 1 | |
. |
Put zeros in the blank number places:
Place value | tens | ones | . | tenths |
1 | 7 | . | 6 | |
1 | . | 0 | ||
- | 4 | . | 1 | |
. |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the tenths column from the top number:
6-0-1=5
Place value | tens | ones | . | tenths |
1 | 7 | . | 6 | |
1 | . | 0 | ||
- | 4 | . | 1 | |
. | 5 |
Subtract the numbers in the ones column from the top number:
7-1-4=2
Place value | tens | ones | . | tenths |
1 | 7 | . | 6 | |
1 | . | 0 | ||
- | 4 | . | 1 | |
2 | . | 5 |
Write 1 in the tens place.
Place value | tens | ones | . | tenths |
1 | 7 | . | 6 | |
1 | . | 0 | ||
- | 4 | . | 1 | |
1 | 2 | . | 5 |
The solution is: 12.5
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