Solve 2/3-15/18

$$\frac { 2 } { 3 } - \frac { 15 } { 18 }$$

Evaluate

$$-\frac{1}{6}\approx -0.166666667$$

Solution Steps

Reduce the fraction \frac{15}{18} to lowest terms by extracting and canceling out 3.

$$\frac{2}{3}-\frac{5}{6}$$

Least common multiple of 3 and 6 is 6. Convert \frac{2}{3} and \frac{5}{6} to fractions with denominator 6.

$$\frac{4}{6}-\frac{5}{6}$$

Since \frac{4}{6} and \frac{5}{6} have the same denominator, subtract them by subtracting their numerators.

$$\frac{4-5}{6}$$

Subtract 5 from 4 to get -1.

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

Factor

$$-\frac{1}{6} = -0.16666666666666666$$