Solve 1/20+1/16

$$\frac { 1 } { 20 } + \frac { 1 } { 16 }$$

Evaluate

$$\frac{9}{80}=0.1125$$

Solution Steps

Least common multiple of 20 and 16 is 80. Convert \frac{1}{20} and \frac{1}{16} to fractions with denominator 80.

$$\frac{4}{80}+\frac{5}{80}$$

Since \frac{4}{80} and \frac{5}{80} have the same denominator, add them by adding their numerators.

$$\frac{4+5}{80}$$

Add 4 and 5 to get 9.

$$\frac{9}{80}$$

Factor

$$\frac{3 ^ {2}}{2 ^ {4} \cdot 5} = 0.1125$$