Solve 9/20000+9/45000

$$\frac { 9 } { 20000 } + \frac { 9 } { 45000 }$$

Evaluate

$$\frac{13}{20000}=0.00065$$

Solution Steps

Reduce the fraction \frac{9}{45000} to lowest terms by extracting and canceling out 9.

$$\frac{9}{20000}+\frac{1}{5000}$$

Least common multiple of 20000 and 5000 is 20000. Convert \frac{9}{20000} and \frac{1}{5000} to fractions with denominator 20000.

$$\frac{9}{20000}+\frac{4}{20000}$$

Since \frac{9}{20000} and \frac{4}{20000} have the same denominator, add them by adding their numerators.

$$\frac{9+4}{20000}$$

Add 9 and 4 to get 13.

$$\frac{13}{20000}$$

Factor

$$\frac{13}{2 ^ {5} \cdot 5 ^ {4}} = 0.00065$$