1.21212121211 as a fraction

1.21212121211 as a fraction - solution and the full explanation with calculations.

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What is 1.21212121211 as a fraction?


To write 1.21212121211 as a fraction you have to write 1.21212121211 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.
1.21212121211 = 1.21212121211/1 = 12.1212121211/10 = 121.212121211/100 = 1212.12121211/1000 = 12121.2121211/10000 = 121212.121211/100000 = 1212121.21211/1000000 = 12121212.1211/10000000 = 121212121.211/100000000 = 1212121212.11/1000000000 = 12121212121.1/10000000000 = 121212121211/100000000000

And finally we have:
1.21212121211 as a fraction equals 121212121211/100000000000

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