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Country and language: Canada

Country and language

4/18 as a decimal and a percentage

4/18

= 0.2 = 22.2%

4/18 means 4 out of 18 equal parts. As a decimal it is 0.22…, and as a percentage 22.22…%.

4/18 on a fraction bar: 4 of 18 parts shaded

Ways to write it

Decimal
0.2
The digits under the line repeat forever.
Percentage
22.2%
Simplest form
2/9
As a division
4 ÷ 18
Equivalent fractions
6/27 = 8/36 = 10/45 = 2/9
Compared with one half
Less than 1/2
Reciprocal
18/4
4/18 of 72
16

How to work it out

  1. Divide the top number by the bottom number: 4 ÷ 18 = 0.22….
  2. To make a percentage, multiply by 100: 0.22… × 100 = 22.22…%.
  3. To simplify, divide the top and bottom by 2, their highest common factor: 4 ÷ 2 = 2 and 18 ÷ 2 = 9, so 4/18 = 2/9.

Quick check

  1. Is 4/18 more or less than 1/2?

    Show the answer

    Less than 1/2

  2. What is 4/18 of 72?

    Show the answer

    16

  3. 4/18 = ?/36

    Show the answer

    8

Practise with a game

Frequently asked questions

What is 4/18 as a decimal?

4/18 as a decimal is 0.22….

What is 4/18 as a percentage?

4/18 as a percentage is 22.22…%.

What is 4/18 in its simplest form?

4/18 in its simplest form is 2/9.