Solve =5/4-30/20

$$= \frac { 5 } { 4 } - \frac { 30 } { 20 }$$

Evaluate

$$-\frac{1}{4}=-0.25$$

Solution Steps

Reduce the fraction \frac{30}{20} to lowest terms by extracting and canceling out 10.

$$\frac{5}{4}-\frac{3}{2}$$

Least common multiple of 4 and 2 is 4. Convert \frac{5}{4} and \frac{3}{2} to fractions with denominator 4.

$$\frac{5}{4}-\frac{6}{4}$$

Since \frac{5}{4} and \frac{6}{4} have the same denominator, subtract them by subtracting their numerators.

$$\frac{5-6}{4}$$

Subtract 6 from 5 to get -1.

$$-\frac{1}{4}$$

Factor

$$-\frac{1}{4} = -0.25$$