adding fractions

How do I add this fractions? 

• 6/6

• 6/12

• 5/6

• 6/36

How do I add this fraction?

• 9/9

• 8/9

• 7/81

• 20/9

How do I add this fraction?

• 24/12

• 12/24

• 11/12

• 12/12

How do I add this fraction? 

• 3/10

• 2/5

• 3/5

• 3/25

How do I add this fraction? 

• 12/8

• 7/8

• 12/64

• 7/12

How do I add this fraction? 

• 7/7

• 5/7

• 6/49

• 6/7

How do I add this fraction? 

• 9/4

• 6/4

• 6/8

• 6/16

How do I add this fraction? 

• 7/8

• 10/8

• 10/64

• 5/8

How do I add this fraction? 
6/5 + 2/5 =

• 7/5

• 12/5

• 8/10

• 8/5

How do I add this fraction?
 5/11 + 4/11 =

• 10/11

• 11/11

• 9/22

• 9/11