Solve 1/3+6-1/12

$$\frac { 1 } { 3 + 6 } - \frac { 1 } { 12 }$$

Evaluate

$$\frac{1}{36}\approx 0.027777778$$

Solution Steps

Add 3 and 6 to get 9.

$$\frac{1}{9}-\frac{1}{12}$$

Least common multiple of 9 and 12 is 36. Convert \frac{1}{9} and \frac{1}{12} to fractions with denominator 36.

$$\frac{4}{36}-\frac{3}{36}$$

Since \frac{4}{36} and \frac{3}{36} have the same denominator, subtract them by subtracting their numerators.

$$\frac{4-3}{36}$$

Subtract 3 from 4 to get 1.

$$\frac{1}{36}$$

Factor

$$\frac{1}{2 ^ {2} \cdot 3 ^ {2}} = 0.027777777777777776$$