Solve 12/15+3/45=

$$\frac{ 12 }{ 15 } + \frac{ 3 }{ 45 } =$$

Evaluate

$$\frac{13}{15}\approx 0.866666667$$

Solution Steps

Reduce the fraction \frac{12}{15} to lowest terms by extracting and canceling out 3.

$$\frac{4}{5}+\frac{3}{45}$$

Reduce the fraction \frac{3}{45} to lowest terms by extracting and canceling out 3.

$$\frac{4}{5}+\frac{1}{15}$$

Least common multiple of 5 and 15 is 15. Convert \frac{4}{5} and \frac{1}{15} to fractions with denominator 15.

$$\frac{12}{15}+\frac{1}{15}$$

Since \frac{12}{15} and \frac{1}{15} have the same denominator, add them by adding their numerators.

$$\frac{12+1}{15}$$

Add 12 and 1 to get 13.

$$\frac{13}{15}$$

Factor

$$\frac{13}{3 \cdot 5} = 0.8666666666666667$$