Evaluate
\frac{11\pi }{15}\approx 2.303834613
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4\pi \times \frac{11}{60}
Reduce the fraction \frac{66}{360} to lowest terms by extracting and canceling out 6.
\frac{4\times 11}{60}\pi
Express 4\times \frac{11}{60} as a single fraction.
\frac{44}{60}\pi
Multiply 4 and 11 to get 44.
\frac{11}{15}\pi
Reduce the fraction \frac{44}{60} to lowest terms by extracting and canceling out 4.
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