Solve 1/20-1/60

$$\frac{ 1 }{ 20 } - \frac{ 1 }{ 60 }$$

Evaluate

$$\frac{1}{30}\approx 0.033333333$$

Solution Steps

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

$$\frac{3}{60}-\frac{1}{60}$$

Since \frac{3}{60} and \frac{1}{60} have the same denominator, subtract them by subtracting their numerators.

$$\frac{3-1}{60}$$

Subtract 1 from 3 to get 2.

$$\frac{2}{60}$$

Reduce the fraction \frac{2}{60} to lowest terms by extracting and canceling out 2.

$$\frac{1}{30}$$

Factor

$$\frac{1}{2 \cdot 3 \cdot 5} = 0.03333333333333333$$