Soluzione - Long subtraction
990000,99
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | ||||||
| , |
Put zeros in the blank number places:
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
9-0=9
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| , | 9 |
Subtract the numbers in the tenths column from the top number:
9-0=9
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| , | 9 | 9 |
Subtract the numbers in the ones column from the top number:
0-0=0
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| 0 | , | 9 | 9 |
Subtract the numbers in the tens column from the top number:
5-5=0
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| 0 | 0 | , | 9 | 9 |
Subtract the numbers in the hundreds column from the top number:
4-4=0
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| 0 | 0 | 0 | , | 9 | 9 |
Write 0 in the thousands place.
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| 0 | 0 | 0 | 0 | , | 9 | 9 |
Write 9 in the ten thousands place.
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| 9 | 0 | 0 | 0 | 0 | , | 9 | 9 |
Write 9 in the hundred thousands place.
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones | . | tenths | hundredths |
| 9 | 9 | 0 | 4 | 5 | 0 | , | 9 | 9 | |
| - | 4 | 5 | 0 | , | 0 | 0 | |||
| 9 | 9 | 0 | 0 | 0 | 0 | , | 9 | 9 |
The solution is: 990000,99
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