Solve 3/20+7/12

$$\frac { 3 } { 20 } + \frac { 7 } { 12 }$$

Evaluate

$$\frac{11}{15}\approx 0.733333333$$

Solution Steps

Least common multiple of 20 and 12 is 60. Convert \frac{3}{20} and \frac{7}{12} to fractions with denominator 60.

$$\frac{9}{60}+\frac{35}{60}$$

Since \frac{9}{60} and \frac{35}{60} have the same denominator, add them by adding their numerators.

$$\frac{9+35}{60}$$

Add 9 and 35 to get 44.

$$\frac{44}{60}$$

Reduce the fraction \frac{44}{60} to lowest terms by extracting and canceling out 4.

$$\frac{11}{15}$$

Factor

$$\frac{11}{3 \cdot 5} = 0.7333333333333333$$