Solve -1/2-3/18

$$\frac { - 1 } { 2 } - \frac { 3 } { 18 }$$

Evaluate

$$-\frac{2}{3}\approx -0.666666667$$

Solution Steps

Fraction \frac{-1}{2} can be rewritten as -\frac{1}{2} by extracting the negative sign.

$$-\frac{1}{2}-\frac{3}{18}$$

Reduce the fraction \frac{3}{18} to lowest terms by extracting and canceling out 3.

$$-\frac{1}{2}-\frac{1}{6}$$

Least common multiple of 2 and 6 is 6. Convert -\frac{1}{2} and \frac{1}{6} to fractions with denominator 6.

$$-\frac{3}{6}-\frac{1}{6}$$

Since -\frac{3}{6} and \frac{1}{6} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-3-1}{6}$$

Subtract 1 from -3 to get -4.

$$\frac{-4}{6}$$

Reduce the fraction \frac{-4}{6} to lowest terms by extracting and canceling out 2.

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

Factor

$$-\frac{2}{3} = -0.6666666666666666$$