Solve (1/18+1/9)

$$( \frac { 1 } { 18 } + \frac { 1 } { 9 } )$$

Evaluate

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

Solution Steps

Least common multiple of 18 and 9 is 18. Convert \frac{1}{18} and \frac{1}{9} to fractions with denominator 18.

$$\frac{1}{18}+\frac{2}{18}$$

Since \frac{1}{18} and \frac{2}{18} have the same denominator, add them by adding their numerators.

$$\frac{1+2}{18}$$

Add 1 and 2 to get 3.

$$\frac{3}{18}$$

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

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

Factor

$$\frac{1}{2 \cdot 3} = 0.16666666666666666$$