.91 as a Fraction
To convert .91 to a fraction you need to multiply 0.91/1 by 100/100 which equals 91/100. This is the final result, since this fraction cannot be reduced.

What Is .91 as a Fraction?
.91 as a fraction in simplest form is 91/100. You can verify this answer by using a calculator to divide 91 by 100 and the result should be 0.91.
How to Convert .91 to a Fraction
Here are the steps to convert a decimal to a fraction, more specifically how to get .91 as a simplified fraction:
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Rewrite 0.91 as a fraction dividing it by 1.
0.91 1
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Multiply the numerator and denominator by 100. Because .91 has two digits after the decimal point, you need to multiply by 102=100 to get rid of the decimal places.
0.91 1×100 100=91 100
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Since the resulting fraction cannot be reduced any further, .91 as a fraction in simplest form is:
91 100