You do 8 over 1 times 4 over 3 it sounds complicated, but just do it
You get 32/3 or
10 and 2/3
three fourths divided by 6 is 0.125 or 1/8.
8 divided by 3/4 is 10.666666
8/3
8
3/8
6 divided by 3/4 is 8.
8/9
8
8/15
8/9
191/8
three eighths is half of three fourths. 3/4 divided by 1/2= 3/8 so use 3/8 butter.