Solve 1/20+1/30

$$\frac{ 1 }{ 20 } + \frac{ 1 }{ 30 }$$

Evaluate

$$\frac{1}{12}\approx 0.083333333$$

Solution Steps

Least common multiple of 20 and 30 is 60. Convert \frac{1}{20} and \frac{1}{30} to fractions with denominator 60.

$$\frac{3}{60}+\frac{2}{60}$$

Since \frac{3}{60} and \frac{2}{60} have the same denominator, add them by adding their numerators.

$$\frac{3+2}{60}$$

Add 3 and 2 to get 5.

$$\frac{5}{60}$$

Reduce the fraction \frac{5}{60} to lowest terms by extracting and canceling out 5.

$$\frac{1}{12}$$

Factor

$$\frac{1}{2 ^ {2} \cdot 3} = 0.08333333333333333$$