Evaluate
\frac{217}{5400}\approx 0.040185185
Factor
\frac{7 \cdot 31}{2 ^ {3} \cdot 3 ^ {3} \cdot 5 ^ {2}} = 0.040185185185185185
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\frac{7\times 31}{30\times 180}
Cancel out 2\times 2\times 30 in both numerator and denominator.
\frac{217}{30\times 180}
Multiply 7 and 31 to get 217.
\frac{217}{5400}
Multiply 30 and 180 to get 5400.
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