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Solution - Long subtraction
7389.126
Other Ways to Solve:
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 3 | 9 | 0 | |||||
| - | 0 | . | 8 | 7 | 4 | |||
| . |
Put zeros in the blank number places:
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the thousandths column is too small to get a positive difference, borrow 1 from the number to the left (90.00) which becomes (89.99) and get (10).
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| . |
Subtract the numbers in the thousandths column from the top number:
10-0-4=6
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| . | 6 |
Subtract the numbers in the hundredths column from the top number:
9-7=2
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| . | 2 | 6 |
Subtract the numbers in the tenths column from the top number:
9-8=1
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| . | 1 | 2 | 6 |
Subtract the numbers in the ones column from the top number:
9-0=9
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| 9 | . | 1 | 2 | 6 |
Write 8 in the tens place.
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| 8 | 9 | . | 1 | 2 | 6 |
Write 3 in the hundreds place.
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| 3 | 8 | 9 | . | 1 | 2 | 6 |
Write 7 in the thousands place.
| Place value | thousands | hundreds | tens | ones | . | tenths | hundredths | thousandths |
| 8 | 9 | 9 | 9 | 10 | ||||
| 7 | 3 | 9 | 0 | . | 0 | 0 | 0 | |
| - | 0 | . | 8 | 7 | 4 | |||
| 7 | 3 | 8 | 9 | . | 1 | 2 | 6 |
The solution is: 7389.126
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