Solve -2/7-2/4=

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

Evaluate

$$-\frac{11}{14}\approx -0.785714286$$

Solution Steps

Fraction \frac{-2}{7} can be rewritten as -\frac{2}{7} by extracting the negative sign.

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

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

$$-\frac{2}{7}-\frac{1}{2}$$

Least common multiple of 7 and 2 is 14. Convert -\frac{2}{7} and \frac{1}{2} to fractions with denominator 14.

$$-\frac{4}{14}-\frac{7}{14}$$

Since -\frac{4}{14} and \frac{7}{14} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-4-7}{14}$$

Subtract 7 from -4 to get -11.

$$-\frac{11}{14}$$

Factor

$$-\frac{11}{14} = -0.7857142857142857$$