Subtract fractions reduce the different to it's lowest term when needed

36. 5 4/5 + 4 2/5 =

37. 3 3/5 + 2 1/4 =

38. 2 1/2 + 2/6 =

39. 7 6/10 + 2 1/5 =

40. 12 1/4 + 5/12 =