Solve -12/7quad187/40

$$- 1 \frac { 2 } { 7 } \quad 18 \frac { 7 } { 40 }$$

Evaluate

$$-\frac{6543}{280}\approx -23.367857143$$

Solution Steps

Multiply 1 and 7 to get 7.

$$\left(-\frac{7+2}{7}\right)\times \frac{18\times 40+7}{40}$$

Add 7 and 2 to get 9.

$$-\frac{9}{7}\times \frac{18\times 40+7}{40}$$

Multiply 18 and 40 to get 720.

$$-\frac{9}{7}\times \frac{720+7}{40}$$

Add 720 and 7 to get 727.

$$-\frac{9}{7}\times \frac{727}{40}$$

Multiply -\frac{9}{7} times \frac{727}{40} by multiplying numerator times numerator and denominator times denominator.

$$\frac{-9\times 727}{7\times 40}$$

Do the multiplications in the fraction \frac{-9\times 727}{7\times 40}.

$$\frac{-6543}{280}$$

Fraction \frac{-6543}{280} can be rewritten as -\frac{6543}{280} by extracting the negative sign.

$$-\frac{6543}{280}$$

Factor

$$-\frac{6543}{280} = -23\frac{103}{280} = -23.367857142857144$$