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A comment on 0.999...= 1. Parent comment

Re:0.999...= 1 by thenewwazoo on Tuesday April 28, 2020 @11:43AM (#23008103)
Because I wondered, it’s not a trick:

x = 0.444444...

10x = 4.444444...

10x - x = 4

9x = 4

x = 4/9 = 0.444444...

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Re:0.999...= 1 by phaemon on Tuesday April 28, 2020 @12:07PM (#23008388)
All the single digit repeating decimals are x/9.

0.111... == 1/9

0.222... == 2/9

...

0.888... == 8/9

0.999... == 9/9 :)

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