Adding Fractions

Question 1:

4 6 + 1 6
5 6

Question 2:

3 7 + 4 7
7 7 = 1

Question 3:

1 5 + 1 5
2 5

Question 4:

4 20 + 1 6
22 60 = 11 30

Question 5:

2 3 + 1 10
23 30

Question 6:

1 8 + 3 4
7 8