Someone please answer this question for me.

What is the common denominator for 3/5+3/4

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?