31:7= 5:8= 60:24= 40:12= 80:60= 95:30= 274:5= 832:7= 607:8= 809:9=

$31:7= \frac{31}{7} =4$ (ост.3)
$5:8=\frac{5}{8}$
$60:24= \frac{60}{24} = \frac{15}{6} = \frac{5}{2} =2$ (ост. 1)
$40:12= \frac{40}{12} = \frac{10}{3} = 3$ (ост. 1)
$80:60= \frac{80}{60} = \frac{4}{3} =1$ (ост. 1)
$95:30= \frac{95}{30}=3 \frac{5}{30}=3$ (ост. 1)
$274:5= \frac{274}{5} =54$ (ост. 4)
$832:7= \frac{832}{7} = 118$ (ост. 6)
$607:8= \frac{607}{8}= 75$ (ост. 7)
$809:9= \frac{809}{9} =89$ (ост. 8)