Solve -1/3*5/8*9/20

$$- \frac{ 1 }{ 3 } \times \frac{ 5 }{ 8 } \times \frac{ 9 }{ 20 }$$

Evaluate

$$-\frac{3}{32}=-0.09375$$

Solution Steps

Multiply -\frac{1}{3} times \frac{5}{8} by multiplying numerator times numerator and denominator times denominator.

$$\frac{-5}{3\times 8}\times \frac{9}{20}$$

Do the multiplications in the fraction \frac{-5}{3\times 8}.

$$\frac{-5}{24}\times \frac{9}{20}$$

Fraction \frac{-5}{24} can be rewritten as -\frac{5}{24} by extracting the negative sign.

$$-\frac{5}{24}\times \frac{9}{20}$$

Multiply -\frac{5}{24} times \frac{9}{20} by multiplying numerator times numerator and denominator times denominator.

$$\frac{-5\times 9}{24\times 20}$$

Do the multiplications in the fraction \frac{-5\times 9}{24\times 20}.

$$\frac{-45}{480}$$

Reduce the fraction \frac{-45}{480} to lowest terms by extracting and canceling out 15.

$$-\frac{3}{32}$$

Factor

$$-\frac{3}{32} = -0.09375$$