Yesterday franklin threw away the following - 5/12 chocolate pie - 7/12 apple pie - 3/8 cherry pie - 7/10 milk pie - 1/9 mincemeat pie

___ PLEASE ANSWER THESE QUESTION ASAP! Questions: A: Calculate the total amount of pie he had to throw away

B: Calculate the difference between the greatest amount of pie thrown away to the least amount thrown away.

Please help! Thanks. First correct answer gets top answer!