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Country and language: Canada

Country and language

30/42 as a decimal and a percentage

30/42

= 0.714285 = 71.428571%

30/42 means 30 out of 42 equal parts. As a decimal it is 0.714285…, and as a percentage 71.428571…%.

30/42 on a fraction bar: 30 of 42 parts shaded

Ways to write it

Decimal
0.714285
The digits under the line repeat forever.
Percentage
71.428571%
Simplest form
5/7
As a division
30 ÷ 42
Equivalent fractions
10/14 = 15/21 = 20/28 = 25/35
Compared with one half
More than 1/2
Reciprocal
42/30
30/42 of 84
60

How to work it out

  1. Divide the top number by the bottom number: 30 ÷ 42 = 0.714285….
  2. To make a percentage, multiply by 100: 0.714285… × 100 = 71.428571…%.
  3. To simplify, divide the top and bottom by 6, their highest common factor: 30 ÷ 6 = 5 and 42 ÷ 6 = 7, so 30/42 = 5/7.

Quick check

  1. Is 30/42 more or less than 1/2?

    Show the answer

    More than 1/2

  2. What is 30/42 of 84?

    Show the answer

    60

  3. 30/42 = ?/84

    Show the answer

    60

Practise with a game

Frequently asked questions

What is 30/42 as a decimal?

30/42 as a decimal is 0.714285….

What is 30/42 as a percentage?

30/42 as a percentage is 71.428571…%.

What is 30/42 in its simplest form?

30/42 in its simplest form is 5/7.