.9 as a Fraction

Writing .9 as a fraction requires us to multiply 0.9/1 by 10/10 which will result in 9/10 - the final answer, since this fraction cannot be reduced.

What Is .9 as a Fraction?

.9 as a fraction in lowest terms is 9/10. Quick tip: to verify the answer is correct, use a calculator to divide 9 by 10 and you should get 0.9.

How to Work Out .9 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 .9 as a simplified fraction:

1. Turn 0.9 into a fraction dividing it by 1.
   0.9 1
2. To get rid of the decimal point, multiply the numerator and denominator by 10. Why 10? .9 has one digit after the decimal point, so you need to multiply by 10¹=10.
   0.9 1

   ×

   10 10

   =

   9 10
3. Because this fraction cannot be reduced any further, .9 as a fraction in simplest form is:
   9 10