Whole Part and Fractional Part
This mixed decimal combines the whole part 1 with the fractional part 109/1000. In place-value words, "and" marks that boundary.
Decimal in the thousandths place
1.109 in Words
1.109 is a positive terminating decimal greater than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
1.109 in words is one point one zero nine.
1.109 Place-Value Breakdown
The digits 1 form the whole-number part, while 1 in the tenth place, 0 in the hundredth place, and 9 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 1 | ones | 1 |
| Decimal part | 1 | tenth | 1/10 |
| Decimal part | 0 | hundredth | 0/100 |
| Decimal part | 9 | thousandth | 9/1000 |
What Kind of Decimal Is 1.109?
1.109 is a positive terminating decimal greater than 1. It is written to the thousandths place.
Expanded Form of 1.109
1.109 = 1 + 1/10 + 9/1000
1.109 = 1 + 109/1000
1.109 = 1 109/1000
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
Why 1109/1000 Is Already in Lowest Terms
There are 3 decimal places, so the exact fraction is 1109/1000.
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 1 109/1000.
1.109 as a Percentage
To convert 1.109 to a percentage, multiply it by 100.
1.109 × 100 = 110.9
Therefore, 1.109 = 110.9%.
Decimals Equivalent to 1.109
1.109 = 1.1090 = 1.10900
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 |
|---|---|---|---|
| 1.109 | thousandths | 1109/1000 | 1109/1000 |
| 1.1090 | ten-thousandths | 11090/10000 | 1109/1000 |
| 1.10900 | hundred-thousandths | 110900/100000 | 1109/1000 |
1.109 on a Number Line
1.109 lies between 1 and 2. It is 0.891 below 2 and 0.109 above 1.
11.1092
1.109 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 0.1109 | zero point one one zero nine | one thousand one hundred nine ten-thousandths | 1109/10000 | 11.09% | ten times smaller than 1.109 |
| 1.109 | one point one zero nine | one and one hundred nine thousandths | 1109/1000 | 110.9% | current value |
| 1.1090 | one point one zero nine zero | one and one thousand ninety ten-thousandths | 1109/1000 | 110.9% | same numerical value, written to the ten-thousandths place |
| 11.09 | eleven point zero nine | eleven and nine hundredths | 1109/100 | 1109% | ten times larger than 1.109 |
Quick Practice
How is 1.109 read digit by digit?
One point one zero nine.
What is the place-value word form of 1.109?
One and one hundred nine thousandths.
What fraction is 1.109 in lowest terms?
1109/1000.
What percentage is equal to 1.109?
110.9%.
What is 1.109 as a mixed fraction?
1 109/1000.
Between which whole numbers does 1.109 lie?
Between 1 and 2.
Frequently Asked Questions
How do you write 1.109 in words?
1.109 in words is one point one zero nine.
Why is 1.109 called one and one hundred nine thousandths?
Because the digit 1 is in the thousandths place. Therefore, 1.109 represents one and one hundred nine thousandths.
What fraction is 1.109?
1.109 is 1109/1000 exactly and 1109/1000 in lowest terms.
Is 1109/1000 already in lowest terms?
Yes. Its numerator and denominator have a greatest common divisor of 1.
What percentage is 1.109?
1.109 is equal to 110.9%.
Is 1.109 the same as 1.1090?
Yes. 1.109 and 1.1090 have the same numerical value. However, 1.109 is written to the thousandths place, while 1.1090 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 1.109 larger than 0.1109?
Yes. 1.109 is ten times as large as 0.1109.
What type of decimal is 1.109?
1.109 is a positive terminating decimal greater than 1. It is written to 3 decimal places and represents one and one hundred nine thousandths.