Respuesta :

Answer:

8/12, 6/19 and 9/10!

Step-by-step explanation:

All of them cannot be simplified.

but the rest can like  

4/26 can be simplified by 2

and 10.22 can be simplified by 2

8/21 , 6/19 , 9/10 , and 10/22, so all of them except for the first one