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Country and language: Canada

Country and language

4/40 as a decimal and a percentage

4/40

= 0.1 = 10%

4/40 means 4 out of 40 equal parts. As a decimal it is 0.1, and as a percentage 10%.

4/40 on a fraction bar: 4 of 40 parts shaded

Ways to write it

Decimal
0.1
Percentage
10%
Simplest form
1/10
As a division
4 ÷ 40
Equivalent fractions
2/20 = 3/30 = 5/50 = 1/10
Compared with one half
Less than 1/2
Reciprocal
40/4
4/40 of 160
16

How to work it out

  1. Divide the top number by the bottom number: 4 ÷ 40 = 0.1.
  2. To make a percentage, multiply by 100: 0.1 × 100 = 10%.
  3. To simplify, divide the top and bottom by 4, their highest common factor: 4 ÷ 4 = 1 and 40 ÷ 4 = 10, so 4/40 = 1/10.

Quick check

  1. Is 4/40 more or less than 1/2?

    Show the answer

    Less than 1/2

  2. What is 4/40 of 160?

    Show the answer

    16

  3. 4/40 = ?/80

    Show the answer

    8

Practise with a game

Frequently asked questions

What is 4/40 as a decimal?

4/40 as a decimal is 0.1.

What is 4/40 as a percentage?

4/40 as a percentage is 10%.

What is 4/40 in its simplest form?

4/40 in its simplest form is 1/10.