Solve 40/100*.45=

$$\frac{ 40 }{ 100 } \times .45=$$

Evaluate

$$0.18$$

Solution Steps

Reduce the fraction \frac{40}{100} to lowest terms by extracting and canceling out 20.

$$\frac{2}{5}\times 0.45$$

Convert decimal number 0.45 to fraction \frac{45}{100}. Reduce the fraction \frac{45}{100} to lowest terms by extracting and canceling out 5.

$$\frac{2}{5}\times \frac{9}{20}$$

Multiply \frac{2}{5} times \frac{9}{20} by multiplying numerator times numerator and denominator times denominator.

$$\frac{2\times 9}{5\times 20}$$

Do the multiplications in the fraction \frac{2\times 9}{5\times 20}.

$$\frac{18}{100}$$

Reduce the fraction \frac{18}{100} to lowest terms by extracting and canceling out 2.

$$\frac{9}{50}$$

Factor

$$\frac{3 ^ {2}}{2 \cdot 5 ^ {2}} = 0.18$$