Solve 1/2*pi*14.4

$$\frac{ 1 }{ 2 } \times \pi \times 14.4$$

Evaluate

$$\frac{36\pi }{5}\approx 22.619467106$$

Solution Steps

Convert decimal number 14.4 to fraction \frac{144}{10}. Reduce the fraction \frac{144}{10} to lowest terms by extracting and canceling out 2.

$$\frac{1}{2}\pi \times \frac{72}{5}$$

Multiply \frac{1}{2} times \frac{72}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 72}{2\times 5}\pi$$

Do the multiplications in the fraction \frac{1\times 72}{2\times 5}.

$$\frac{72}{10}\pi$$

Reduce the fraction \frac{72}{10} to lowest terms by extracting and canceling out 2.

$$\frac{36}{5}\pi$$