Debra's cows produced
more gallons than Hank's cows.
Hank's cows :
Debra's Cows :
The difference in amount of Milk produced :
Sum of Debra's cow - Sum of Hank's cows
Now we have:
11⅙ - 8⅞
67/6 - 71/8 = (536 - 426) / 48
67/6 - 71/8 = 110/48
110/48 =

Hence, Debra's cows produced
more gallons than Hank's cows.