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Country and language

Country and language: Canada

Country and language

30/90 as a decimal and a percentage

30/90

= 0.3 = 33.3%

30/90 means 30 out of 90 equal parts. As a decimal it is 0.33…, and as a percentage 33.33…%.

30/90 on a fraction bar: 30 of 90 parts shaded

Ways to write it

Decimal
0.3
The digits under the line repeat forever.
Percentage
33.3%
Simplest form
1/3
As a division
30 ÷ 90
Equivalent fractions
2/6 = 3/9 = 4/12 = 5/15
Compared with one half
Less than 1/2
Reciprocal
90/30
30/90 of 180
60

How to work it out

  1. Divide the top number by the bottom number: 30 ÷ 90 = 0.33….
  2. To make a percentage, multiply by 100: 0.33… × 100 = 33.33…%.
  3. To simplify, divide the top and bottom by 30, their highest common factor: 30 ÷ 30 = 1 and 90 ÷ 30 = 3, so 30/90 = 1/3.

Quick check

  1. Is 30/90 more or less than 1/2?

    Show the answer

    Less than 1/2

  2. What is 30/90 of 180?

    Show the answer

    60

  3. 30/90 = ?/180

    Show the answer

    60

Practise with a game

Frequently asked questions

What is 30/90 as a decimal?

30/90 as a decimal is 0.33….

What is 30/90 as a percentage?

30/90 as a percentage is 33.33…%.

What is 30/90 in its simplest form?

30/90 in its simplest form is 1/3.