Solve -2/9+-3/7

$$- \frac { 2 } { 9 } + \frac { - 3 } { 7 }$$

Evaluate

$$-\frac{41}{63}\approx -0.650793651$$

Solution Steps

Fraction \frac{-3}{7} can be rewritten as -\frac{3}{7} by extracting the negative sign.

$$-\frac{2}{9}-\frac{3}{7}$$

Least common multiple of 9 and 7 is 63. Convert -\frac{2}{9} and \frac{3}{7} to fractions with denominator 63.

$$-\frac{14}{63}-\frac{27}{63}$$

Since -\frac{14}{63} and \frac{27}{63} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-14-27}{63}$$

Subtract 27 from -14 to get -41.

$$-\frac{41}{63}$$

Factor

$$-\frac{41}{63} = -0.6507936507936508$$