Adding Mixed Numbers

Question 1:

2 1 2 + 2 3 8
39 8 = 4 7 8

Question 2:

1 3 4 + 4 3 8
49 8 = 6 1 8

Question 3:

1 6 7 + 2 4 5
163 35 = 4 23 35

Question 4:

3 6 7 + 1 7 9
355 63 = 5 40 63