what is 4 and one half - three and four fifths

Question

I really don't get fraction I'm trying to find the difference and write it in simplest form could someone show me how to do that in Long Way

Answer 1

4 1/2 - 3/4

9/2 - 3/4     convert to improper fraction

18/4 - 3/4   LCD, 4

15/4           combine

3 3/4          convert to mixed number