Solve 25/8-38/10

$$\frac { 25 } { 8 } - \frac { 38 } { 10 }$$

Evaluate

$$-\frac{27}{40}=-0.675$$

Solution Steps

Reduce the fraction \frac{38}{10} to lowest terms by extracting and canceling out 2.

$$\frac{25}{8}-\frac{19}{5}$$

Least common multiple of 8 and 5 is 40. Convert \frac{25}{8} and \frac{19}{5} to fractions with denominator 40.

$$\frac{125}{40}-\frac{152}{40}$$

Since \frac{125}{40} and \frac{152}{40} have the same denominator, subtract them by subtracting their numerators.

$$\frac{125-152}{40}$$

Subtract 152 from 125 to get -27.

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

Factor

$$-\frac{27}{40} = -0.675$$