.2121212121212121 as a fraction

.2121212121212121 as a fraction - solution and the full explanation with calculations.

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What is .2121212121212121 as a fraction?


To write .2121212121212121 as a fraction you have to write .2121212121212121 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.
.2121212121212121 = .2121212121212121/1 = 2.1212121212121/10 = 21.212121212121/100 = 212.12121212121/1000 = 2121.2121212121/10000 = 21212.121212121/100000 = 212121.21212121/1000000 = 2121212.1212121/10000000 = 21212121.212121/100000000 = 212121212.12121/1000000000 = 2121212121.2121/10000000000 = 21212121212.121/100000000000 = 212121212121.21/1000000000000 = 2121212121212.1/10000000000000 = 21212121212121/100000000000000

And finally we have:
.2121212121212121 as a fraction equals 21212121212121/100000000000000

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