55.5 as a Fraction

Writing 55.5 as a fraction requires us to multiply 55.5/1 by 10/10 which will result in 555/10. Reducing further we get the answer: 111/2. Because this is an improper fraction it can also be written it as a mixed number 55 1/2.

Writing 55.5 as a fraction requires us to multiply 55.5/1 by 10/10 which will result in 555/10. Simplifying further we get the final answer: 111/2.

What Is 55.5 as a Fraction?

55.5 as a fraction in lowest terms is 111/2. Quick tip: to verify the answer is correct, use a calculator to divide 111 by 2 and you should get 55.5.

How to Work Out 55.5 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 55.5 as a simplified fraction:

1. Turn 55.5 into a fraction dividing it by 1.
   55.5 1
2. To get rid of the decimal point, multiply the numerator and denominator by 10. Why 10? 55.5 has one digit after the decimal point, so you need to multiply by 10¹=10.
   55.5 1

   ×

   10 10

   =

   555 10
3. Divide 555 and 10 by their Greatest Common Divisor (GCD), which in this case is 5.
   555 ÷ 5 10 ÷ 5
4. In conclusion, 55.5 as a fraction in simplest form is:
   111 2
5. Since 55.5 is greater than 1, the resulting fraction is an improper fraction. For this reason we can also write 111/2 as a mixed number:
   55

   1 2