Solve 3/4-1/18=

$$\frac { 3 } { 4 } - \frac { 1 } { 18 } =$$

Evaluate

$$\frac{25}{36}\approx 0.694444444$$

Solution Steps

Least common multiple of 4 and 18 is 36. Convert \frac{3}{4} and \frac{1}{18} to fractions with denominator 36.

$$\frac{27}{36}-\frac{2}{36}$$

Since \frac{27}{36} and \frac{2}{36} have the same denominator, subtract them by subtracting their numerators.

$$\frac{27-2}{36}$$

Subtract 2 from 27 to get 25.

$$\frac{25}{36}$$

Factor

$$\frac{5 ^ {2}}{2 ^ {2} \cdot 3 ^ {2}} = 0.6944444444444444$$