To convert the decimal 0.45 to a fraction, follow these steps:
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Write the decimal as a fraction: \[ 0.45 = \frac{45}{100} \]
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Simplify the fraction: To simplify \(\frac{45}{100}\), find the greatest common divisor (GCD) of 45 and 100. The GCD is 5.
Now, divide both the numerator and the denominator by 5: \[ \frac{45 \div 5}{100 \div 5} = \frac{9}{20} \]
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Final answer: The simplest form of 0.45 as a fraction is: \[ \frac{9}{20} \]
So, the final result is \(\frac{9}{20}\).