Solve (-51/3)*21/4=

$$( - 5 \frac { 1 } { 3 } ) \times 2 \frac { 1 } { 4 } =$$

Evaluate

$$-12$$

Solution Steps

Multiply 5 and 3 to get 15.

$$\left(-\frac{15+1}{3}\right)\times \frac{2\times 4+1}{4}$$

Add 15 and 1 to get 16.

$$-\frac{16}{3}\times \frac{2\times 4+1}{4}$$

Multiply 2 and 4 to get 8.

$$-\frac{16}{3}\times \frac{8+1}{4}$$

Add 8 and 1 to get 9.

$$-\frac{16}{3}\times \frac{9}{4}$$

Multiply -\frac{16}{3} times \frac{9}{4} by multiplying numerator times numerator and denominator times denominator.

$$\frac{-16\times 9}{3\times 4}$$

Do the multiplications in the fraction \frac{-16\times 9}{3\times 4}.

$$\frac{-144}{12}$$

Divide -144 by 12 to get -12.

$$-12$$

Factor

$$-12$$