Hi, first you got to add 12+14+18+10=54 54 will be your total.
A peanut butter granola will be 14/54 which when you simplify it will be 7/27. Since there is 14 peanut butter granola it will be on the denominator which is the part.
A apple granola will be 12/54 which when you simplify it will be 2/9. The part of the apple granola is 12.