Fractions·11/21
11
21
=
0.(523809)

11/21 as a decimal is 0.(523809)

Repeating

11/21 is 0.(523809), or 52.(380952)%. 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.(523809)
Percent
52.(380952)%
Ratio
11 : 10
Repeating part
523809 (6)
Degrees of a circle
188.(571428)°
Minutes of an hour
31.(428571)
Reciprocal
21/11 = 1 10/11
Equivalent fractions
22/42, 33/63, 44/84, 55/105

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 11/21 as a decimal?

0.(523809). The 6 digits in brackets repeat for ever.

Q. What is 11/21 as a percentage?

52.(380952)%.

Q. Which fractions equal 11/21?

22/42, 33/63, 44/84, 55/105 … multiplying top and bottom by the same number leaves the value unchanged.

Q. What is the reciprocal of 11/21?

21/11, or 1 10/11 as a mixed number.