Respuesta :

Answer:

50/23

Step-by-step explanation:

Answer:

1= 4/5 + 2/4

2= 24/35

3= 38/45

Step-by-step explanation:

1= 4/5+ 2/4 =16 +10 /20

2= Add  2 over 5 . 2/ 5  + 2 over 7.  2/ 7  = 24 over 35.  24/ 35

3= Add  4 over 10.  4/ 10  + 4/9  = 76 over 90 . 76/90. Simplify. 38/45

I'm sorry if I didn't explain right. I tried my best. Have a good day and enjoy your answer. Thanks :)