Fractions·5/21
5
21
=
0.(238095)

5/21 as a decimal is 0.(238095)

Repeating

5/21 is 0.(238095), or 23.(809523)%. It repeats with a period of 6 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.(238095)
Percent
23.(809523)%
Ratio
5 : 16
Repeating part
238095 (6)
Degrees of a circle
85.(714285)°
Minutes of an hour
14.(285714)
Reciprocal
21/5 = 4 1/5
Equivalent fractions
10/42, 15/63, 20/84, 25/105

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 5/21 as a decimal?

0.(238095). The 6 digits in brackets repeat for ever.

Q. What is 5/21 as a percentage?

23.(809523)%.

Q. Which fractions equal 5/21?

10/42, 15/63, 20/84, 25/105 … multiplying top and bottom by the same number leaves the value unchanged.

Q. What is the reciprocal of 5/21?

21/5, or 4 1/5 as a mixed number.