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Country and language: Canada

Country and language

40/50 as a decimal and a percentage

40/50

= 0.8 = 80%

40/50 means 40 out of 50 equal parts. As a decimal it is 0.8, and as a percentage 80%.

40/50 on a fraction bar: 40 of 50 parts shaded

Ways to write it

Decimal
0.8
Percentage
80%
Simplest form
4/5
As a division
40 ÷ 50
Equivalent fractions
8/10 = 12/15 = 16/20 = 20/25
Compared with one half
More than 1/2
Reciprocal
50/40
40/50 of 100
80

How to work it out

  1. Divide the top number by the bottom number: 40 ÷ 50 = 0.8.
  2. To make a percentage, multiply by 100: 0.8 × 100 = 80%.
  3. To simplify, divide the top and bottom by 10, their highest common factor: 40 ÷ 10 = 4 and 50 ÷ 10 = 5, so 40/50 = 4/5.

Quick check

  1. Is 40/50 more or less than 1/2?

    Show the answer

    More than 1/2

  2. What is 40/50 of 100?

    Show the answer

    80

  3. 40/50 = ?/100

    Show the answer

    80

Practise with a game

Frequently asked questions

What is 40/50 as a decimal?

40/50 as a decimal is 0.8.

What is 40/50 as a percentage?

40/50 as a percentage is 80%.

What is 40/50 in its simplest form?

40/50 in its simplest form is 4/5.