7.2121212121 as a fraction

7.2121212121 as a fraction - solution and the full explanation with calculations.

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What is 7.2121212121 as a fraction?


To write 7.2121212121 as a fraction you have to write 7.2121212121 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.
7.2121212121 = 7.2121212121/1 = 72.121212121/10 = 721.21212121/100 = 7212.1212121/1000 = 72121.212121/10000 = 721212.12121/100000 = 7212121.2121/1000000 = 72121212.121/10000000 = 721212121.21/100000000 = 7212121212.1/1000000000 = 72121212121/10000000000

And finally we have:
7.2121212121 as a fraction equals 72121212121/10000000000

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