Solve 1/9-1/15

$$\frac { 1 } { 9 } - \frac { 1 } { 15 }$$

Evaluate

$$\frac{2}{45}\approx 0.044444444$$

Solution Steps

Least common multiple of 9 and 15 is 45. Convert \frac{1}{9} and \frac{1}{15} to fractions with denominator 45.

$$\frac{5}{45}-\frac{3}{45}$$

Since \frac{5}{45} and \frac{3}{45} have the same denominator, subtract them by subtracting their numerators.

$$\frac{5-3}{45}$$

Subtract 3 from 5 to get 2.

$$\frac{2}{45}$$

Factor

$$\frac{2}{3 ^ {2} \cdot 5} = 0.044444444444444446$$