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Country and language: Canada

Country and language

30/45 as a decimal and a percentage

30/45

= 0.6 = 66.6%

30/45 means 30 out of 45 equal parts. As a decimal it is 0.66…, and as a percentage 66.66…%.

30/45 on a fraction bar: 30 of 45 parts shaded

Ways to write it

Decimal
0.6
The digits under the line repeat forever.
Percentage
66.6%
Simplest form
2/3
As a division
30 ÷ 45
Equivalent fractions
4/6 = 6/9 = 8/12 = 10/15
Compared with one half
More than 1/2
Reciprocal
45/30
30/45 of 90
60

How to work it out

  1. Divide the top number by the bottom number: 30 ÷ 45 = 0.66….
  2. To make a percentage, multiply by 100: 0.66… × 100 = 66.66…%.
  3. To simplify, divide the top and bottom by 15, their highest common factor: 30 ÷ 15 = 2 and 45 ÷ 15 = 3, so 30/45 = 2/3.

Quick check

  1. Is 30/45 more or less than 1/2?

    Show the answer

    More than 1/2

  2. What is 30/45 of 90?

    Show the answer

    60

  3. 30/45 = ?/90

    Show the answer

    60

Practise with a game

Frequently asked questions

What is 30/45 as a decimal?

30/45 as a decimal is 0.66….

What is 30/45 as a percentage?

30/45 as a percentage is 66.66…%.

What is 30/45 in its simplest form?

30/45 in its simplest form is 2/3.