Sign inBook a free assessment

Country and language

Country and language: Canada

Country and language

72/80 as a decimal and a percentage

72/80

= 0.9 = 90%

72/80 means 72 out of 80 equal parts. As a decimal it is 0.9, and as a percentage 90%.

72/80 on a fraction bar: 72 of 80 parts shaded

Ways to write it

Decimal
0.9
Percentage
90%
Simplest form
9/10
As a division
72 ÷ 80
Equivalent fractions
18/20 = 27/30 = 36/40 = 45/50
Compared with one half
More than 1/2
Reciprocal
80/72
72/80 of 240
216

How to work it out

  1. Divide the top number by the bottom number: 72 ÷ 80 = 0.9.
  2. To make a percentage, multiply by 100: 0.9 × 100 = 90%.
  3. To simplify, divide the top and bottom by 8, their highest common factor: 72 ÷ 8 = 9 and 80 ÷ 8 = 10, so 72/80 = 9/10.

Quick check

  1. Is 72/80 more or less than 1/2?

    Show the answer

    More than 1/2

  2. What is 72/80 of 240?

    Show the answer

    216

  3. 72/80 = ?/160

    Show the answer

    144

Practise with a game

Frequently asked questions

What is 72/80 as a decimal?

72/80 as a decimal is 0.9.

What is 72/80 as a percentage?

72/80 as a percentage is 90%.

What is 72/80 in its simplest form?

72/80 in its simplest form is 9/10.