0.558 as a Fraction
Writing 0.558 as a fraction requires us to multiply 0.558/1 by 1000/1000 which will result in 558/1000. Simplifying further we get the final answer: 279/500.

What Is 0.558 as a Fraction?
0.558 as a fraction in lowest terms is 279/500. Quick tip: to verify the answer is correct, use a calculator to divide 279 by 500 and you should get 0.558.
How to Work Out 0.558 as a Fraction
The simple steps below will help you convert a decimal into a fraction. In this example we’ll demonstrate how to write .558 as a simplified fraction:
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Turn 0.558 into a fraction dividing it by 1.
0.558 1
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To get rid of the decimal point, multiply the numerator and denominator by 1000. Why 1000? 0.558 has three digits after the decimal point, so you need to multiply by 1 followed by 3 zeros (1000).
0.558 1×1000 1000=558 1000
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Divide 558 and 1000 by their Greatest Common Divisor (GCD), which in this case is 2.
558 ÷ 2 1000 ÷ 2
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In conclusion, 0.558 as a fraction in simplest form is:
279 500