Number DigitDecimal in the thousandths place
27.999 in Words
27.999 is a positive terminating decimal greater than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
27.999 in words is twenty-seven point nine nine nine.
27.999 Place-Value Breakdown
The digits 2 and 7 form the whole-number part, while 9 in the tenth place, 9 in the hundredth place, and 9 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 2 | tens | 20 |
| Whole part | 7 | ones | 7 |
| Decimal part | 9 | tenth | 9/10 |
| Decimal part | 9 | hundredth | 9/100 |
| Decimal part | 9 | thousandth | 9/1000 |
What Kind of Decimal Is 27.999?
27.999 is a positive terminating decimal greater than 1. It is written to the thousandths place.
Expanded Form of 27.999
27.999 = 20 + 7 + 9/10 + 9/100 + 9/1000
27.999 = 27 + 999/1000
27.999 = 27 999/1000
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
Why 27999/1000 Is Already in Lowest Terms
There are 3 decimal places, so the exact fraction is 27999/1000.
The greatest common divisor of its numerator and denominator is 1, so the fraction cannot be reduced further.
As a mixed fraction, the value is 27 999/1000.
27.999 as a Percentage
To convert 27.999 to a percentage, multiply it by 100.
27.999 × 100 = 2799.9
Therefore, 27.999 = 2799.9%.
Decimals Equivalent to 27.999
27.999 = 27.9990 = 27.99900
Adding zeros to the right of a decimal does not change its numerical value. It does change the number of written decimal places and may communicate different precision.
| Decimal | Final place | Exact fraction | Simplified value |
|---|---|---|---|
| 27.999 | thousandths | 27999/1000 | 27999/1000 |
| 27.9990 | ten-thousandths | 279990/10000 | 27999/1000 |
| 27.99900 | hundred-thousandths | 2799900/100000 | 27999/1000 |
Whole Part and Fractional Part
This mixed decimal combines the whole part 27 with the fractional part 999/1000. In place-value words, "and" marks that boundary.
27.999 on a Number Line
27.999 lies between 27 and 28. It is 0.001 below 28 and 0.999 above 27.
27.999 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 2.7999 | two point seven nine nine nine | two and seven thousand nine hundred ninety-nine ten-thousandths | 27999/10000 | 279.99% | ten times smaller than 27.999 |
| 27.999 | twenty-seven point nine nine nine | twenty-seven and nine hundred ninety-nine thousandths | 27999/1000 | 2799.9% | current value |
| 27.9990 | twenty-seven point nine nine nine zero | twenty-seven and nine thousand nine hundred ninety ten-thousandths | 27999/1000 | 2799.9% | same numerical value, written to the ten-thousandths place |
| 279.99 | two hundred seventy-nine point nine nine | two hundred seventy-nine and ninety-nine hundredths | 27999/100 | 27999% | ten times larger than 27.999 |
Quick Practice
How is 27.999 read digit by digit?
Twenty-seven point nine nine nine.
What is the place-value word form of 27.999?
Twenty-seven and nine hundred ninety-nine thousandths.
What fraction is 27.999 in lowest terms?
27999/1000.
What percentage is equal to 27.999?
2799.9%.
What is 27.999 as a mixed fraction?
27 999/1000.
Between which whole numbers does 27.999 lie?
Between 27 and 28.
Convert Another Decimal
Use the full converter for custom input, examples, and the complete place-name chart.
Ready for a lesson or a little practice
Printable decimal worksheets
Each free PDF contains eight questions. Download a separate answer key with explanations. No account is required.
Frequently Asked Questions
How do you write 27.999 in words?
27.999 in words is twenty-seven point nine nine nine.
Why is 27.999 called twenty-seven and nine hundred ninety-nine thousandths?
There are 3 digits after the point, so the fractional part is expressed in thousandths. Read the complete value as twenty-seven and nine hundred ninety-nine thousandths.
What fraction is 27.999?
27.999 is 27999/1000 exactly and 27999/1000 in lowest terms.
Is 27999/1000 already in lowest terms?
Yes. Its numerator and denominator have a greatest common divisor of 1.
What percentage is 27.999?
27.999 is equal to 2799.9%.
Is 27.999 the same as 27.9990?
Yes. 27.999 and 27.9990 have the same numerical value. However, 27.999 is written to the thousandths place, while 27.9990 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 27.999 larger than 2.7999?
Yes. 27.999 is ten times as large as 2.7999.
What type of decimal is 27.999?
27.999 is a positive terminating decimal greater than 1. It is written to 3 decimal places and represents twenty-seven and nine hundred ninety-nine thousandths.