you are slicing pie for your family. Your grandmother asks for 1/3 of the pie. Your brother asks for 1/4 of the same pie. Your aunt asks for 1/2 of the remainder of the pie. How much pie is left?
After give your grandma and your brother, you only have: 1 - 1/3 - 1/4 = 5/12 ( of the pie ) After give your aunt, you have: 5/12 - 1/2 x 5/12 = 5/24 ( of the pie )