Solve 4/8-4/9

$$\frac{ 4 }{ 8 } - \frac{ 4 }{ 9 }$$

Evaluate

$$\frac{1}{18}\approx 0.055555556$$

Solution Steps

Reduce the fraction \frac{4}{8} to lowest terms by extracting and canceling out 4.

$$\frac{1}{2}-\frac{4}{9}$$

Least common multiple of 2 and 9 is 18. Convert \frac{1}{2} and \frac{4}{9} to fractions with denominator 18.

$$\frac{9}{18}-\frac{8}{18}$$

Since \frac{9}{18} and \frac{8}{18} have the same denominator, subtract them by subtracting their numerators.

$$\frac{9-8}{18}$$

Subtract 8 from 9 to get 1.

$$\frac{1}{18}$$

Factor

$$\frac{1}{2 \cdot 3 ^ {2}} = 0.05555555555555555$$