Solve 10/20*2/19*9/18

$$\frac{ 10 }{ 20 } \times \frac{ 2 }{ 19 } \times \frac{ 9 }{ 18 }$$

Evaluate

$$\frac{1}{38}\approx 0.026315789$$

Solution Steps

Reduce the fraction \frac{10}{20} to lowest terms by extracting and canceling out 10.

$$\frac{1}{2}\times \frac{2}{19}\times \frac{9}{18}$$

Multiply \frac{1}{2} times \frac{2}{19} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 2}{2\times 19}\times \frac{9}{18}$$

Cancel out 2 in both numerator and denominator.

$$\frac{1}{19}\times \frac{9}{18}$$

Reduce the fraction \frac{9}{18} to lowest terms by extracting and canceling out 9.

$$\frac{1}{19}\times \frac{1}{2}$$

Multiply \frac{1}{19} times \frac{1}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 1}{19\times 2}$$

Do the multiplications in the fraction \frac{1\times 1}{19\times 2}.

$$\frac{1}{38}$$

Factor

$$\frac{1}{2 \cdot 19} = 0.02631578947368421$$