3.09 as a Fraction

Writing 3.09 as a fraction requires us to multiply 3.09/1 by 100/100 which will result in 309/100 - the final answer, since this fraction cannot be reduced. Because this is an improper fraction it can also be written it as a mixed number 3 9/100.

What Is 3.09 as a Fraction?

3.09 as a fraction in lowest terms is 309/100. Quick tip: to verify the answer is correct, use a calculator to divide 309 by 100 and you should get 3.09.

How to Work Out 3.09 as a Fraction

The simple steps below will help you convert a decimal into a fraction. In this example we’ll demonstrate how to write 3.09 as a simplified fraction:

1. Turn 3.09 into a fraction dividing it by 1.
   3.09 1
2. To get rid of the decimal point, multiply the numerator and denominator by 100. Why 100? 3.09 has two digit after the decimal point, so you need to multiply by 10²=100.
   3.09 1

   ×

   100 100

   =

   309 100
3. Because this fraction cannot be reduced any further, 3.09 as a fraction in simplest form is:
   309 100
4. Since 3.09 is greater than 1, the resulting fraction is an improper fraction. For this reason we can also write 309/100 as a mixed number:
   3

   9 100