Solve 1/2*12.2*8.5

$$\frac{ 1 }{ 2 } \times 12.2 \times 8.5$$

Evaluate

$$51.85$$

Solution Steps

Convert decimal number 12.2 to fraction \frac{122}{10}. Reduce the fraction \frac{122}{10} to lowest terms by extracting and canceling out 2.

$$\frac{1}{2}\times \frac{61}{5}\times 8.5$$

Multiply \frac{1}{2} times \frac{61}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 61}{2\times 5}\times 8.5$$

Do the multiplications in the fraction \frac{1\times 61}{2\times 5}.

$$\frac{61}{10}\times 8.5$$

Convert decimal number 8.5 to fraction \frac{85}{10}. Reduce the fraction \frac{85}{10} to lowest terms by extracting and canceling out 5.

$$\frac{61}{10}\times \frac{17}{2}$$

Multiply \frac{61}{10} times \frac{17}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{61\times 17}{10\times 2}$$

Do the multiplications in the fraction \frac{61\times 17}{10\times 2}.

$$\frac{1037}{20}$$

Factor

$$\frac{17 \cdot 61}{5 \cdot 2 ^ {2}} = 51\frac{17}{20} = 51.85$$