.4125 as a Fraction
To convert .4125 to a fraction you need to multiply 0.4125/1 by 10000/10000 and you’ll get 4125/10000. This result can be further reduced to 33/80.

What Is .4125 as a Fraction?
.4125 as a fraction in simplest form is 33/80. You can verify this answer by using a calculator to divide 33 by 80 and the result should be 0.4125.
How to Convert .4125 to a Fraction
Here are the steps to convert a decimal to a fraction, more specifically how to get .4125 as a simplified fraction:
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Rewrite 0.4125 as a fraction dividing it by 1.
0.4125 1
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Multiply the numerator and denominator by 10000. Because .4125 has four digits after the decimal point, you need to multiply by 104=10000 to get rid of the decimal places.
0.4125 1×10000 10000=4125 10000
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Divide 4125 and 10000 by their Greatest Common Factor (GCF), which in this case is 125.
4125 ÷ 125 10000 ÷ 125
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So .4125 as a fraction in simplest form is:
33 80