Question

7 1/2 + 2 1/4 =
6 1/2 + 2 1/4 =
4/3 - 9/10 =
10/9 - 5/6 =

Answer 1

7/2+9/4=14/4+9/4=23/4 =5 3/4 4/3-9/10=40/30-27/30=13/30 10/9-5/6=60/54-45/54=15/54