0.0045 as a Fraction
To convert 0.0045 to a fraction you need to multiply 0.0045/1 by 10000/10000 and you’ll get 45/10000. This result can be further reduced to 9/2000.

What Is 0.0045 as a Fraction?
0.0045 as a fraction in simplest form is 9/2000. You can verify this answer by using a calculator to divide 9 by 2000 and the result should be 0.0045.
How to Convert 0.0045 to a Fraction
Here are the steps to convert a decimal to a fraction, more specifically how to get .0045 as a simplified fraction:
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Rewrite 0.0045 as a fraction dividing it by 1.
0.0045 1
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Multiply the numerator and denominator by 10000. Because 0.0045 has four digits after the decimal point, you need to multiply by 104=10000 to get rid of the decimal places.
0.0045 1×10000 10000=45 10000
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Divide 45 and 10000 by their Greatest Common Factor (GCF), which in this case is 5.
45 ÷ 5 10000 ÷ 5
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So 0.0045 as a fraction in simplest form is:
9 2000