Solve 1/12-1/30

$$\frac{ 1 }{ 12 } - \frac{ 1 }{ 30 }$$

Evaluate

$$\frac{1}{20}=0.05$$

Solution Steps

Least common multiple of 12 and 30 is 60. Convert \frac{1}{12} and \frac{1}{30} to fractions with denominator 60.

$$\frac{5}{60}-\frac{2}{60}$$

Since \frac{5}{60} and \frac{2}{60} have the same denominator, subtract them by subtracting their numerators.

$$\frac{5-2}{60}$$

Subtract 2 from 5 to get 3.

$$\frac{3}{60}$$

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

$$\frac{1}{20}$$

Factor

$$\frac{1}{2 ^ {2} \cdot 5} = 0.05$$