I have a word problem with fractions.

Question

Anna estimated that her brother Nick ate about 1/3 of an apple pie, her brother Matt ate 5/8 of the pie, and she ate about 1/4 of the pie. How might you convince Anna that her estimates do not make sense? Be sure to show every step of your work. Explain your answer in a detailed write up using I think the answer is, I think this because and I figured this out by...
Thank you.

Answer 1

1/3 = 8/24
5/8 = 15/24
1/4 = 6/24
________________________

Total=29/24
That's about 1 1/4 pies