0.121212121 as a fraction

0.121212121 as a fraction - solution and the full explanation with calculations.

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What is 0.121212121 as a fraction?


To write 0.121212121 as a fraction you have to write 0.121212121 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
0.121212121 = 0.121212121/1 = 1.21212121/10 = 12.1212121/100 = 121.212121/1000 = 1212.12121/10000 = 12121.2121/100000 = 121212.121/1000000 = 1212121.21/10000000 = 12121212.1/100000000 = 121212121/1000000000

And finally we have:
0.121212121 as a fraction equals 121212121/1000000000

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