Solve 12/42*42/90

$$\frac { 12 } { 42 } \cdot \frac { 42 } { 90 }$$

Evaluate

$$\frac{2}{15}\approx 0.133333333$$

Solution Steps

Reduce the fraction \frac{12}{42} to lowest terms by extracting and canceling out 6.

$$\frac{2}{7}\times \frac{42}{90}$$

Reduce the fraction \frac{42}{90} to lowest terms by extracting and canceling out 6.

$$\frac{2}{7}\times \frac{7}{15}$$

Multiply \frac{2}{7} times \frac{7}{15} by multiplying numerator times numerator and denominator times denominator.

$$\frac{2\times 7}{7\times 15}$$

Cancel out 7 in both numerator and denominator.

$$\frac{2}{15}$$

Factor

$$\frac{2}{3 \cdot 5} = 0.13333333333333333$$