Solve 1/18+1/15

$$\frac { 1 } { 18 } + \frac { 1 } { 15 }$$

Evaluate

$$\frac{11}{90}\approx 0.122222222$$

Solution Steps

Least common multiple of 18 and 15 is 90. Convert \frac{1}{18} and \frac{1}{15} to fractions with denominator 90.

$$\frac{5}{90}+\frac{6}{90}$$

Since \frac{5}{90} and \frac{6}{90} have the same denominator, add them by adding their numerators.

$$\frac{5+6}{90}$$

Add 5 and 6 to get 11.

$$\frac{11}{90}$$

Factor

$$\frac{11}{2 \cdot 3 ^ {2} \cdot 5} = 0.12222222222222222$$