Solve 79/4-11/8

$$\frac { 79 } { 4 } - \frac { 11 } { 8 }$$

Evaluate

$$\frac{147}{8}=18.375$$

Solution Steps

Least common multiple of 4 and 8 is 8. Convert \frac{79}{4} and \frac{11}{8} to fractions with denominator 8.

$$\frac{158}{8}-\frac{11}{8}$$

Since \frac{158}{8} and \frac{11}{8} have the same denominator, subtract them by subtracting their numerators.

$$\frac{158-11}{8}$$

Subtract 11 from 158 to get 147.

$$\frac{147}{8}$$

Factor

$$\frac{3 \cdot 7 ^ {2}}{2 ^ {3}} = 18\frac{3}{8} = 18.375$$