Adding Fractions

Question 1:

2 6 + 3 6
5 6

Question 2:

1 4 + 3 4
4 4 = 1

Question 3:

2 8 + 5 8
7 8

Question 4:

4 10 + 8 15
28 30 = 14 15

Question 5:

1 10 + 10 15
23 30

Question 6:

2 10 + 1 6
11 30