Evaluate
\frac{3\pi }{2}\approx 4.71238898
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12\pi \times \frac{1}{8}
Reduce the fraction \frac{45}{360} to lowest terms by extracting and canceling out 45.
\frac{12}{8}\pi
Multiply 12 and \frac{1}{8} to get \frac{12}{8}.
\frac{3}{2}\pi
Reduce the fraction \frac{12}{8} to lowest terms by extracting and canceling out 4.
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