(8) 1-(3)/(5)=(5)/(5)-(3)/(5)= (9) 1-(4)/(5)= (10) 2-(2)/(7)=1(square )/(7)-(2)/(7)= (II) 2-(3)/(7)= (12) 3-(5)/(7)= (13) 3-(2)/(9)= (14) 4-(4)/(9)= (15) 5-(8)/(9)=

(8) $1-\frac {3}{5}=\frac {5}{5}-\frac {3}{5}=\frac {2}{5}$<br /><br />(9) $1-\frac {4}{5}=\frac {1}{5}$<br /><br />(10) $2-\frac {2}{7}=1\frac {5}{7}-\frac {2}{7}=1\frac {3}{7}$<br /><br />(11) $2-\frac {3}{7}=1\frac {4}{7}$<br /><br />(12) $3-\frac {5}{7}=2\frac {2}{7}$<br /><br />(13) $3-\frac {2}{9}=2\frac {7}{9}$<br /><br />(14) $4-\frac {4}{9}=3\frac {5}{9}$<br /><br />(15) $5-\frac {8}{9}=4\frac {1}{9}$