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Country and language: Canada

Country and language

12/42 as a decimal and a percentage

12/42

= 0.285714 = 28.571428%

12/42 means 12 out of 42 equal parts. As a decimal it is 0.285714…, and as a percentage 28.571428…%.

12/42 on a fraction bar: 12 of 42 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
12 ÷ 42
Equivalent fractions
4/14 = 6/21 = 8/28 = 10/35
Compared with one half
Less than 1/2
Reciprocal
42/12
12/42 of 126
36

How to work it out

  1. Divide the top number by the bottom number: 12 ÷ 42 = 0.285714….
  2. To make a percentage, multiply by 100: 0.285714… × 100 = 28.571428…%.
  3. To simplify, divide the top and bottom by 6, their highest common factor: 12 ÷ 6 = 2 and 42 ÷ 6 = 7, so 12/42 = 2/7.

Quick check

  1. Is 12/42 more or less than 1/2?

    Show the answer

    Less than 1/2

  2. What is 12/42 of 126?

    Show the answer

    36

  3. 12/42 = ?/84

    Show the answer

    24

Practise with a game

Frequently asked questions

What is 12/42 as a decimal?

12/42 as a decimal is 0.285714….

What is 12/42 as a percentage?

12/42 as a percentage is 28.571428…%.

What is 12/42 in its simplest form?

12/42 in its simplest form is 2/7.