Solve 15-1215/18

$$15-12 \frac{ 15 }{ 18 }$$

Evaluate

$$\frac{13}{6}\approx 2.166666667$$

Solution Steps

Multiply 12 and 18 to get 216.

$$15-\frac{216+15}{18}$$

Add 216 and 15 to get 231.

$$15-\frac{231}{18}$$

Reduce the fraction \frac{231}{18} to lowest terms by extracting and canceling out 3.

$$15-\frac{77}{6}$$

Convert 15 to fraction \frac{90}{6}.

$$\frac{90}{6}-\frac{77}{6}$$

Since \frac{90}{6} and \frac{77}{6} have the same denominator, subtract them by subtracting their numerators.

$$\frac{90-77}{6}$$

Subtract 77 from 90 to get 13.

$$\frac{13}{6}$$

Factor

$$\frac{13}{2 \cdot 3} = 2\frac{1}{6} = 2.1666666666666665$$