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Country and language: Canada

Country and language

15/18 as a decimal and a percentage

15/18

= 0.83 = 83.3%

15/18 means 15 out of 18 equal parts. As a decimal it is 0.833…, and as a percentage 83.33…%.

15/18 on a fraction bar: 15 of 18 parts shaded

Ways to write it

Decimal
0.83
The digits under the line repeat forever.
Percentage
83.3%
Simplest form
5/6
As a division
15 ÷ 18
Equivalent fractions
10/12 = 20/24 = 25/30 = 5/6
Compared with one half
More than 1/2
Reciprocal
18/15
15/18 of 36
30

How to work it out

  1. Divide the top number by the bottom number: 15 ÷ 18 = 0.833….
  2. To make a percentage, multiply by 100: 0.833… × 100 = 83.33…%.
  3. To simplify, divide the top and bottom by 3, their highest common factor: 15 ÷ 3 = 5 and 18 ÷ 3 = 6, so 15/18 = 5/6.

Quick check

  1. Is 15/18 more or less than 1/2?

    Show the answer

    More than 1/2

  2. What is 15/18 of 36?

    Show the answer

    30

  3. 15/18 = ?/36

    Show the answer

    30

Practise with a game

Frequently asked questions

What is 15/18 as a decimal?

15/18 as a decimal is 0.833….

What is 15/18 as a percentage?

15/18 as a percentage is 83.33…%.

What is 15/18 in its simplest form?

15/18 in its simplest form is 5/6.