Solve 9/12-4/14=

$$\frac { 9 } { 12 } - \frac { 4 } { 14 } =$$

Evaluate

$$\frac{13}{28}\approx 0.464285714$$

Solution Steps

Reduce the fraction \frac{9}{12} to lowest terms by extracting and canceling out 3.

$$\frac{3}{4}-\frac{4}{14}$$

Reduce the fraction \frac{4}{14} to lowest terms by extracting and canceling out 2.

$$\frac{3}{4}-\frac{2}{7}$$

Least common multiple of 4 and 7 is 28. Convert \frac{3}{4} and \frac{2}{7} to fractions with denominator 28.

$$\frac{21}{28}-\frac{8}{28}$$

Since \frac{21}{28} and \frac{8}{28} have the same denominator, subtract them by subtracting their numerators.

$$\frac{21-8}{28}$$

Subtract 8 from 21 to get 13.

$$\frac{13}{28}$$

Factor

$$\frac{13}{2 ^ {2} \cdot 7} = 0.4642857142857143$$