Solve 7/18+1/30

$$\frac { 7 } { 18 } + \frac { 1 } { 30 }$$

Evaluate

$$\frac{19}{45}\approx 0.422222222$$

Solution Steps

Least common multiple of 18 and 30 is 90. Convert \frac{7}{18} and \frac{1}{30} to fractions with denominator 90.

$$\frac{35}{90}+\frac{3}{90}$$

Since \frac{35}{90} and \frac{3}{90} have the same denominator, add them by adding their numerators.

$$\frac{35+3}{90}$$

Add 35 and 3 to get 38.

$$\frac{38}{90}$$

Reduce the fraction \frac{38}{90} to lowest terms by extracting and canceling out 2.

$$\frac{19}{45}$$

Factor

$$\frac{19}{3 ^ {2} \cdot 5} = 0.4222222222222222$$