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Country and language: Canada

Country and language

70/90 as a decimal and a percentage

70/90

= 0.7 = 77.7%

70/90 means 70 out of 90 equal parts. As a decimal it is 0.77…, and as a percentage 77.77…%.

70/90 on a fraction bar: 70 of 90 parts shaded

Ways to write it

Decimal
0.7
The digits under the line repeat forever.
Percentage
77.7%
Simplest form
7/9
As a division
70 ÷ 90
Equivalent fractions
14/18 = 21/27 = 28/36 = 35/45
Compared with one half
More than 1/2
Reciprocal
90/70
70/90 of 180
140

How to work it out

  1. Divide the top number by the bottom number: 70 ÷ 90 = 0.77….
  2. To make a percentage, multiply by 100: 0.77… × 100 = 77.77…%.
  3. To simplify, divide the top and bottom by 10, their highest common factor: 70 ÷ 10 = 7 and 90 ÷ 10 = 9, so 70/90 = 7/9.

Quick check

  1. Is 70/90 more or less than 1/2?

    Show the answer

    More than 1/2

  2. What is 70/90 of 180?

    Show the answer

    140

  3. 70/90 = ?/180

    Show the answer

    140

Practise with a game

Frequently asked questions

What is 70/90 as a decimal?

70/90 as a decimal is 0.77….

What is 70/90 as a percentage?

70/90 as a percentage is 77.77…%.

What is 70/90 in its simplest form?

70/90 in its simplest form is 7/9.