## Introductory Algebra for College Students (7th Edition)

$\frac{17}{5} - \frac{2}{5}$ The difference of two fractions with same denominators is the difference of their numerators over the common denominator. $\frac{17-2}{5}$ = $\frac{15}{5}$ Since 5 is the greatest common factor of 15 and 5, divide numerator and denominator by 5 $\frac{3*5}{1*5}$ = 3