.399999999 as a fraction

.399999999 as a fraction - solution and the full explanation with calculations.

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What is .399999999 as a fraction?


To write .399999999 as a fraction you have to write .399999999 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.
.399999999 = .399999999/1 = 3.99999999/10 = 39.9999999/100 = 399.999999/1000 = 3999.99999/10000 = 39999.9999/100000 = 399999.999/1000000 = 3999999.99/10000000 = 39999999.9/100000000 = 399999999/1000000000

And finally we have:
.399999999 as a fraction equals 399999999/1000000000

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