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Country and language: Australia

Country and language

6/21 as a decimal and a percentage

6/21

= 0.285714 = 28.571428%

6/21 means 6 out of 21 equal parts. As a decimal it is 0.285714…, and as a percentage 28.571428…%.

6/21 on a fraction bar: 6 of 21 parts shaded

Ways to write it

Decimal
0.285714
The digits under the line repeat forever.
Percentage
28.571428%
Simplest form
2/7
As a division
6 ÷ 21
Equivalent fractions
4/14 = 8/28 = 10/35 = 2/7
Compared with one half
Less than 1/2
Reciprocal
21/6
6/21 of 105
30

How to work it out

  1. Divide the top number by the bottom number: 6 ÷ 21 = 0.285714….
  2. To make a percentage, multiply by 100: 0.285714… × 100 = 28.571428…%.
  3. To simplify, divide the top and bottom by 3, their highest common factor: 6 ÷ 3 = 2 and 21 ÷ 3 = 7, so 6/21 = 2/7.

Quick check

  1. Is 6/21 more or less than 1/2?

    Show the answer

    Less than 1/2

  2. What is 6/21 of 105?

    Show the answer

    30

  3. 6/21 = ?/42

    Show the answer

    12

Practise with a game

Frequently asked questions

What is 6/21 as a decimal?

6/21 as a decimal is 0.285714….

What is 6/21 as a percentage?

6/21 as a percentage is 28.571428…%.

What is 6/21 in its simplest form?

6/21 in its simplest form is 2/7.