Solve 3/8-1/9

$$\frac{ 3 }{ 8 } - \frac{ 1 }{ 9 }$$

Evaluate

$$\frac{19}{72}\approx 0.263888889$$

Solution Steps

Least common multiple of 8 and 9 is 72. Convert \frac{3}{8} and \frac{1}{9} to fractions with denominator 72.

$$\frac{27}{72}-\frac{8}{72}$$

Since \frac{27}{72} and \frac{8}{72} have the same denominator, subtract them by subtracting their numerators.

$$\frac{27-8}{72}$$

Subtract 8 from 27 to get 19.

$$\frac{19}{72}$$

Factor

$$\frac{19}{2 ^ {3} \cdot 3 ^ {2}} = 0.2638888888888889$$