Answer:[tex] \frac{11}{18} [/tex]Step-by-step explanation:1. Find the LCD:the denominators are 9 and 6 the LCD is 18.2. Convert each fraction:For [tex] \frac{7}{9} [/tex]multiply the numerator and denominator by 2 to get [tex] \frac{14}{ \\ 18} [/tex]For [tex] \frac{1}{6} [/tex]multiply the numerator and denominator by 3 to get [tex] \frac{3}{18} [/tex]3. Subtract the fractions: [tex] \frac{14}{18} - \frac{3}{18} = \frac{11}{18} [/tex]