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Country and language: Canada

Country and language

42/100 as a decimal and a percentage

42/100

= 0.42 = 42%

42/100 means 42 out of 100 equal parts. As a decimal it is 0.42, and as a percentage 42%.

42/100 on a fraction bar: 42 of 100 parts shaded

Ways to write it

Decimal
0.42
Percentage
42%
Simplest form
21/50
As a division
42 ÷ 100
Equivalent fractions
63/150 = 84/200 = 105/250 = 21/50
Compared with one half
Less than 1/2
Reciprocal
100/42
42/100 of 300
126

How to work it out

  1. Divide the top number by the bottom number: 42 ÷ 100 = 0.42.
  2. To make a percentage, multiply by 100: 0.42 × 100 = 42%.
  3. To simplify, divide the top and bottom by 2, their highest common factor: 42 ÷ 2 = 21 and 100 ÷ 2 = 50, so 42/100 = 21/50.

Quick check

  1. Is 42/100 more or less than 1/2?

    Show the answer

    Less than 1/2

  2. What is 42/100 of 300?

    Show the answer

    126

  3. 42/100 = ?/200

    Show the answer

    84

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Frequently asked questions

What is 42/100 as a decimal?

42/100 as a decimal is 0.42.

What is 42/100 as a percentage?

42/100 as a percentage is 42%.

What is 42/100 in its simplest form?

42/100 in its simplest form is 21/50.