Solve 17/20+5/12=

$$\frac { 17 } { 20 } + \frac { 5 } { 12 } =$$

Evaluate

$$\frac{19}{15}\approx 1.266666667$$

Solution Steps

Least common multiple of 20 and 12 is 60. Convert \frac{17}{20} and \frac{5}{12} to fractions with denominator 60.

$$\frac{51}{60}+\frac{25}{60}$$

Since \frac{51}{60} and \frac{25}{60} have the same denominator, add them by adding their numerators.

$$\frac{51+25}{60}$$

Add 51 and 25 to get 76.

$$\frac{76}{60}$$

Reduce the fraction \frac{76}{60} to lowest terms by extracting and canceling out 4.

$$\frac{19}{15}$$

Factor

$$\frac{19}{3 \cdot 5} = 1\frac{4}{15} = 1.2666666666666666$$