Solve -1/4+7/12=

$$- \frac { 1 } { 4 } + \frac { 7 } { 12 } =$$

Evaluate

$$\frac{1}{3}\approx 0.333333333$$

Solution Steps

Least common multiple of 4 and 12 is 12. Convert -\frac{1}{4} and \frac{7}{12} to fractions with denominator 12.

$$-\frac{3}{12}+\frac{7}{12}$$

Since -\frac{3}{12} and \frac{7}{12} have the same denominator, add them by adding their numerators.

$$\frac{-3+7}{12}$$

Add -3 and 7 to get 4.

$$\frac{4}{12}$$

Reduce the fraction \frac{4}{12} to lowest terms by extracting and canceling out 4.

$$\frac{1}{3}$$

Factor

$$\frac{1}{3} = 0.3333333333333333$$