Solve (-4)*15/7-20

$$( - 4 ) \times \frac { 15 } { 7 } - 20$$

Evaluate

$$-\frac{200}{7}\approx -28.571428571$$

Solution Steps

Express -4\times \frac{15}{7} as a single fraction.

$$\frac{-4\times 15}{7}-20$$

Multiply -4 and 15 to get -60.

$$\frac{-60}{7}-20$$

Fraction \frac{-60}{7} can be rewritten as -\frac{60}{7} by extracting the negative sign.

$$-\frac{60}{7}-20$$

Convert 20 to fraction \frac{140}{7}.

$$-\frac{60}{7}-\frac{140}{7}$$

Since -\frac{60}{7} and \frac{140}{7} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-60-140}{7}$$

Subtract 140 from -60 to get -200.

$$-\frac{200}{7}$$

Factor

$$-\frac{200}{7} = -28\frac{4}{7} = -28.571428571428573$$