You would subtract 1-1/4-1/3 you could find all the multiples of both 3 and 4 and see which one matches 12/12-3/12-4/12 then you would subtract and it becomes 5/12 hope this helps
7 total cups of flour divided by 2.33 cups of flour needed per batch of 24 muffins equals three batches, then multiply total number of batches by number of muffins in each batch- 3x24- gives you a total of 72 muffins
