Solve -63/7*21/2

$$- 6 \frac { 3 } { 7 } \cdot 2 \frac { 1 } { 2 }$$

Evaluate

$$-\frac{225}{14}\approx -16.071428571$$

Solution Steps

Multiply 6 and 7 to get 42.

$$\left(-\frac{42+3}{7}\right)\times \frac{2\times 2+1}{2}$$

Add 42 and 3 to get 45.

$$-\frac{45}{7}\times \frac{2\times 2+1}{2}$$

Multiply 2 and 2 to get 4.

$$-\frac{45}{7}\times \frac{4+1}{2}$$

Add 4 and 1 to get 5.

$$-\frac{45}{7}\times \frac{5}{2}$$

Multiply -\frac{45}{7} times \frac{5}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{-45\times 5}{7\times 2}$$

Do the multiplications in the fraction \frac{-45\times 5}{7\times 2}.

$$\frac{-225}{14}$$

Fraction \frac{-225}{14} can be rewritten as -\frac{225}{14} by extracting the negative sign.

$$-\frac{225}{14}$$

Factor

$$-\frac{225}{14} = -16\frac{1}{14} = -16.071428571428573$$