Solve -5/9-3/8

$$- \frac { 5 } { 9 } - \frac { 3 } { 8 }$$

Evaluate

$$-\frac{67}{72}\approx -0.930555556$$

Solution Steps

Least common multiple of 9 and 8 is 72. Convert -\frac{5}{9} and \frac{3}{8} to fractions with denominator 72.

$$-\frac{40}{72}-\frac{27}{72}$$

Since -\frac{40}{72} and \frac{27}{72} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-40-27}{72}$$

Subtract 27 from -40 to get -67.

$$-\frac{67}{72}$$

Factor

$$-\frac{67}{72} = -0.9305555555555556$$