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Country and language: Canada

Country and language

42/54 as a decimal and a percentage

42/54

= 0.7 = 77.7%

42/54 means 42 out of 54 equal parts. As a decimal it is 0.77…, and as a percentage 77.77…%.

42/54 on a fraction bar: 42 of 54 parts shaded

Ways to write it

Decimal
0.7
The digits under the line repeat forever.
Percentage
77.7%
Simplest form
7/9
As a division
42 ÷ 54
Equivalent fractions
14/18 = 21/27 = 28/36 = 35/45
Compared with one half
More than 1/2
Reciprocal
54/42
42/54 of 162
126

How to work it out

  1. Divide the top number by the bottom number: 42 ÷ 54 = 0.77….
  2. To make a percentage, multiply by 100: 0.77… × 100 = 77.77…%.
  3. To simplify, divide the top and bottom by 6, their highest common factor: 42 ÷ 6 = 7 and 54 ÷ 6 = 9, so 42/54 = 7/9.

Quick check

  1. Is 42/54 more or less than 1/2?

    Show the answer

    More than 1/2

  2. What is 42/54 of 162?

    Show the answer

    126

  3. 42/54 = ?/108

    Show the answer

    84

Practise with a game

Frequently asked questions

What is 42/54 as a decimal?

42/54 as a decimal is 0.77….

What is 42/54 as a percentage?

42/54 as a percentage is 77.77…%.

What is 42/54 in its simplest form?

42/54 in its simplest form is 7/9.