Solve -13/4*21/6

$$-1 \frac{ 3 }{ 4 } \times 2 \frac{ 1 }{ 6 }$$

Evaluate

$$-\frac{91}{24}\approx -3.791666667$$

Solution Steps

Multiply 1 and 4 to get 4.

$$\left(-\frac{4+3}{4}\right)\times \frac{2\times 6+1}{6}$$

Add 4 and 3 to get 7.

$$-\frac{7}{4}\times \frac{2\times 6+1}{6}$$

Multiply 2 and 6 to get 12.

$$-\frac{7}{4}\times \frac{12+1}{6}$$

Add 12 and 1 to get 13.

$$-\frac{7}{4}\times \frac{13}{6}$$

Multiply -\frac{7}{4} times \frac{13}{6} by multiplying numerator times numerator and denominator times denominator.

$$\frac{-7\times 13}{4\times 6}$$

Do the multiplications in the fraction \frac{-7\times 13}{4\times 6}.

$$\frac{-91}{24}$$

Fraction \frac{-91}{24} can be rewritten as -\frac{91}{24} by extracting the negative sign.

$$-\frac{91}{24}$$

Factor

$$-\frac{91}{24} = -3\frac{19}{24} = -3.7916666666666665$$