0.309 as a Fraction
To convert 0.309 to a fraction you need to multiply 0.309/1 by 1000/1000 which equals 309/1000. This is the final result, since this fraction cannot be reduced.

What Is 0.309 as a Fraction?
0.309 as a fraction in simplest form is 309/1000. You can verify this answer by using a calculator to divide 309 by 1000 and the result should be 0.309.
How to Convert 0.309 to a Fraction
Here are the steps to convert a decimal to a fraction, more specifically how to get .309 as a simplified fraction:
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Rewrite 0.309 as a fraction dividing it by 1.
0.309 1
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Multiply the numerator and denominator by 1000. Because 0.309 has three digits after the decimal point, you need to multiply by 103=1000 to get rid of the decimal places.
0.309 1×1000 1000=309 1000
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Since the resulting fraction cannot be reduced any further, 0.309 as a fraction in simplest form is:
309 1000