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0.21212121... as a fraction

0.21212121... as a fraction
asked 122k views
5 votes
0.21212121... as a fraction

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User Rajorshi
by
8.0k points

1 Answer

1 vote

If x = 0.212121…, then 100x = 21.212121…, so we have

100x - x = 21.212121… - 0.212121…

99x = 21

x = 21/99 = 7/33

answered
User Sachsure
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7.7k points
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