Adding Fractions

Question 1:

2 4 + 2 4
4 4 = 1

Question 2:

1 8 + 7 8
8 8 = 1

Question 3:

3 7 + 3 7
6 7

Question 4:

10 20 + 3 10
16 20 = 4 5

Question 5:

4 20 + 1 10
6 20 = 3 10

Question 6:

6 8 + 1 6
22 24 = 11 12