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Write the number 0.21212121 ... as a fraction

Write the number 0.21212121 ... as a fraction
asked 60.0k views
1 vote
Write the number 0.21212121 ... as a fraction

asked
User Howler
by
7.6k points

1 Answer

5 votes

Answer:

1.91/9

Explanation:

x=0.212121212........ .........1 equation

10x=2.12121212......... ........2 equation

1 equation - 2 equation

9x=1.91

x=1.91/9

therefore 0.212121.....=1.91/9

answered
User Robdasilva
by
8.0k points
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