Sign inBook a free assessment

Country and language

Country and language: Canada

Country and language

10/40 as a decimal and a percentage

10/40

= 0.25 = 25%

10/40 means 10 out of 40 equal parts. As a decimal it is 0.25, and as a percentage 25%.

10/40 on a fraction bar: 10 of 40 parts shaded

Ways to write it

Decimal
0.25
Percentage
25%
Simplest form
1/4
As a division
10 ÷ 40
Equivalent fractions
2/8 = 3/12 = 4/16 = 5/20
Compared with one half
Less than 1/2
Reciprocal
40/10
10/40 of 80
20

How to work it out

  1. Divide the top number by the bottom number: 10 ÷ 40 = 0.25.
  2. To make a percentage, multiply by 100: 0.25 × 100 = 25%.
  3. To simplify, divide the top and bottom by 10, their highest common factor: 10 ÷ 10 = 1 and 40 ÷ 10 = 4, so 10/40 = 1/4.

Quick check

  1. Is 10/40 more or less than 1/2?

    Show the answer

    Less than 1/2

  2. What is 10/40 of 80?

    Show the answer

    20

  3. 10/40 = ?/80

    Show the answer

    20

Practise with a game

Frequently asked questions

What is 10/40 as a decimal?

10/40 as a decimal is 0.25.

What is 10/40 as a percentage?

10/40 as a percentage is 25%.

What is 10/40 in its simplest form?

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