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Country and language: Canada

Country and language

15/30 as a decimal and a percentage

15/30

= 0.5 = 50%

15/30 means 15 out of 30 equal parts. As a decimal it is 0.5, and as a percentage 50%.

15/30 on a fraction bar: 15 of 30 parts shaded

Ways to write it

Decimal
0.5
Percentage
50%
Simplest form
1/2
As a division
15 ÷ 30
Equivalent fractions
2/4 = 3/6 = 4/8 = 5/10
Compared with one half
Equal to 1/2
Reciprocal
30/15
15/30 of 60
30

How to work it out

  1. Divide the top number by the bottom number: 15 ÷ 30 = 0.5.
  2. To make a percentage, multiply by 100: 0.5 × 100 = 50%.
  3. To simplify, divide the top and bottom by 15, their highest common factor: 15 ÷ 15 = 1 and 30 ÷ 15 = 2, so 15/30 = 1/2.

Quick check

  1. Is 15/30 more or less than 1/2?

    Show the answer

    Equal to 1/2

  2. What is 15/30 of 60?

    Show the answer

    30

  3. 15/30 = ?/60

    Show the answer

    30

Practise with a game

Frequently asked questions

What is 15/30 as a decimal?

15/30 as a decimal is 0.5.

What is 15/30 as a percentage?

15/30 as a percentage is 50%.

What is 15/30 in its simplest form?

15/30 in its simplest form is 1/2.