Evaluate
\frac{473}{24}\approx 19.708333333
Factor
\frac{11 \cdot 43}{2 ^ {3} \cdot 3} = 19\frac{17}{24} = 19.708333333333332
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\frac{480}{24}-\frac{7}{24}
Convert 20 to fraction \frac{480}{24}.
\frac{480-7}{24}
Since \frac{480}{24} and \frac{7}{24} have the same denominator, subtract them by subtracting their numerators.
\frac{473}{24}
Subtract 7 from 480 to get 473.
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