Write the number 0.21212121 as a fraction

asked Jan 15, 2019 48.4k views

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2 votes

21212121/100000000

I can't seem to get it to simplify any more.

Dumbass answered Jan 16, 2019

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The first number in this geometric series is 0.21, and the common ratio is 1/100.

The sum of the series is

0.21

--------------- = 21/99 = 7/33

99/100

Yashu Seth answered Jan 18, 2019

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