Solve 7/12-3/18

$$\frac { 7 } { 12 } - \frac { 3 } { 18 }$$

Evaluate

$$\frac{5}{12}\approx 0.416666667$$

Solution Steps

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

$$\frac{7}{12}-\frac{1}{6}$$

Least common multiple of 12 and 6 is 12. Convert \frac{7}{12} and \frac{1}{6} to fractions with denominator 12.

$$\frac{7}{12}-\frac{2}{12}$$

Since \frac{7}{12} and \frac{2}{12} have the same denominator, subtract them by subtracting their numerators.

$$\frac{7-2}{12}$$

Subtract 2 from 7 to get 5.

$$\frac{5}{12}$$

Factor

$$\frac{5}{2 ^ {2} \cdot 3} = 0.4166666666666667$$