Fractions·2/21
2
21
=
0.(095238)

2/21 as a decimal is 0.(095238)

Repeating

2/21 is 0.(095238), or 9.(523809)%. 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.(095238)
Percent
9.(523809)%
Ratio
2 : 19
Repeating part
095238 (6)
Degrees of a circle
34.(285714)°
Minutes of an hour
5.(714285)
Reciprocal
21/2 = 10 1/2
Equivalent fractions
4/42, 6/63, 8/84, 10/105

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 2/21 as a decimal?

0.(095238). The 6 digits in brackets repeat for ever.

Q. What is 2/21 as a percentage?

9.(523809)%.

Q. Which fractions equal 2/21?

4/42, 6/63, 8/84, 10/105 … multiplying top and bottom by the same number leaves the value unchanged.

Q. What is the reciprocal of 2/21?

21/2, or 10 1/2 as a mixed number.