Solve 19/60+1/4-1

$$\frac{ 19 }{ 60 } + \frac{ 1 }{ 4 } -1$$

Evaluate

$$-\frac{13}{30}\approx -0.433333333$$

Solution Steps

Least common multiple of 60 and 4 is 60. Convert \frac{19}{60} and \frac{1}{4} to fractions with denominator 60.

$$\frac{19}{60}+\frac{15}{60}-1$$

Since \frac{19}{60} and \frac{15}{60} have the same denominator, add them by adding their numerators.

$$\frac{19+15}{60}-1$$

Add 19 and 15 to get 34.

$$\frac{34}{60}-1$$

Reduce the fraction \frac{34}{60} to lowest terms by extracting and canceling out 2.

$$\frac{17}{30}-1$$

Convert 1 to fraction \frac{30}{30}.

$$\frac{17}{30}-\frac{30}{30}$$

Since \frac{17}{30} and \frac{30}{30} have the same denominator, subtract them by subtracting their numerators.

$$\frac{17-30}{30}$$

Subtract 30 from 17 to get -13.

$$-\frac{13}{30}$$

Factor

$$-\frac{13}{30} = -0.43333333333333335$$