Solve 2/5*1/4*1/2*1

$$\frac { 2 } { 5 } \times \frac { 1 } { 4 } \times \frac { 1 } { 2 } \times 1$$

Evaluate

$$\frac{1}{20}=0.05$$

Solution Steps

Multiply \frac{2}{5} times \frac{1}{4} by multiplying numerator times numerator and denominator times denominator.

$$\frac{2\times 1}{5\times 4}\times \frac{1}{2}\times 1$$

Do the multiplications in the fraction \frac{2\times 1}{5\times 4}.

$$\frac{2}{20}\times \frac{1}{2}\times 1$$

Reduce the fraction \frac{2}{20} to lowest terms by extracting and canceling out 2.

$$\frac{1}{10}\times \frac{1}{2}\times 1$$

Multiply \frac{1}{10} times \frac{1}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 1}{10\times 2}\times 1$$

Do the multiplications in the fraction \frac{1\times 1}{10\times 2}.

$$\frac{1}{20}\times 1$$

Multiply \frac{1}{20} and 1 to get \frac{1}{20}.

$$\frac{1}{20}$$

Factor

$$\frac{1}{2 ^ {2} \cdot 5} = 0.05$$