80.999999999 as a fraction

80.999999999 as a fraction - solution and the full explanation with calculations.

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What is 80.999999999 as a fraction?


To write 80.999999999 as a fraction you have to write 80.999999999 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.
80.999999999 = 80.999999999/1 = 809.99999999/10 = 8099.9999999/100 = 80999.999999/1000 = 809999.99999/10000 = 8099999.9999/100000 = 80999999.999/1000000 = 809999999.99/10000000 = 8099999999.9/100000000 = 80999999999/1000000000

And finally we have:
80.999999999 as a fraction equals 80999999999/1000000000

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