Fractions·5/9
5
9
=
0.(5)

5/9 as a decimal is 0.(5)

Repeating

5/9 is 0.(5), or 55.(5)%. It repeats with a period of 1 digits.

The digits in brackets repeat for ever. 0.1(6) is 0.16666… and 0.(3) is 0.3333…

Seen as a length

The whole is cut into as many parts as the denominator, and as many are filled as the numerator. The tick marks the halfway point.

Decimal
0.(5)
Percent
55.(5)%
Ratio
5 : 4
Repeating part
5 (1)
Degrees of a circle
200°
Minutes of an hour
33.(3)
Reciprocal
9/5 = 1 4/5
Equivalent fractions
10/18, 15/27, 20/36, 25/45

Same denominator

Nearby values

How to read this

  • The digits in brackets repeat for ever — 0.1(6) means 0.16666…
  • If the denominator has no prime factors besides 2 and 5, the decimal stops.
  • Equal fractions do not get separate pages: looking up 2/4 brings you to 1/2.
  • A percentage is the same number times 100; degrees are the same number times 360.

Frequently asked questions

Q. What is 5/9 as a decimal?

0.(5). The 1 digits in brackets repeat for ever.

Q. What is 5/9 as a percentage?

55.(5)%.

Q. Which fractions equal 5/9?

10/18, 15/27, 20/36, 25/45 … multiplying top and bottom by the same number leaves the value unchanged.

Q. What is the reciprocal of 5/9?

9/5, or 1 4/5 as a mixed number.