To convert 0.80 to a fraction, we can follow these steps:
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Write 0.80 as a fraction: \( \frac{80}{100} \).
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Simplify the fraction by finding the greatest common divisor (GCD) of 80 and 100. The GCD is 20.
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Divide both the numerator and denominator by the GCD:
\( \frac{80 \div 20}{100 \div 20} = \frac{4}{5} \).
So, 0.80 converted to a fraction in simplest form is \( \frac{4}{5} \).