Solve 1/15+1/12

$$\frac { 1 } { 15 } + \frac { 1 } { 12 }$$

Evaluate

$$\frac{3}{20}=0.15$$

Solution Steps

Least common multiple of 15 and 12 is 60. Convert \frac{1}{15} and \frac{1}{12} to fractions with denominator 60.

$$\frac{4}{60}+\frac{5}{60}$$

Since \frac{4}{60} and \frac{5}{60} have the same denominator, add them by adding their numerators.

$$\frac{4+5}{60}$$

Add 4 and 5 to get 9.

$$\frac{9}{60}$$

Reduce the fraction \frac{9}{60} to lowest terms by extracting and canceling out 3.

$$\frac{3}{20}$$

Factor

$$\frac{3}{2 ^ {2} \cdot 5} = 0.15$$