.438 as a Fraction
To convert .438 to a fraction you need to multiply 0.438/1 by 1000/1000 and you’ll get 438/1000. This result can be further reduced to 219/500.

What Is .438 as a Fraction?
.438 as a fraction in simplest form is 219/500. You can verify this answer by using a calculator to divide 219 by 500 and the result should be 0.438.
How to Convert .438 to a Fraction
Here are the steps to convert a decimal to a fraction, more specifically how to get .438 as a simplified fraction:
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Rewrite 0.438 as a fraction dividing it by 1.
0.438 1
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Multiply the numerator and denominator by 1000. Because .438 has three digits after the decimal point, you need to multiply by 103=1000 to get rid of the decimal places.
0.438 1×1000 1000=438 1000
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Divide 438 and 1000 by their Greatest Common Factor (GCF), which in this case is 2.
438 ÷ 2 1000 ÷ 2
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So .438 as a fraction in simplest form is:
219 500