Solve -9/14-6/7

$$- \frac { 9 } { 14 } - \frac { 6 } { 7 }$$

Evaluate

$$-\frac{3}{2}=-1.5$$

Solution Steps

Least common multiple of 14 and 7 is 14. Convert -\frac{9}{14} and \frac{6}{7} to fractions with denominator 14.

$$-\frac{9}{14}-\frac{12}{14}$$

Since -\frac{9}{14} and \frac{12}{14} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-9-12}{14}$$

Subtract 12 from -9 to get -21.

$$\frac{-21}{14}$$

Reduce the fraction \frac{-21}{14} to lowest terms by extracting and canceling out 7.

$$-\frac{3}{2}$$

Factor

$$-\frac{3}{2} = -1\frac{1}{2} = -1.5$$