Perform the indicated operations. 28. 2/8 + 5/8= 29.7/9 + 1/3= 30.8/9-2/9= 31.2/4-1/6=

Answer:
28. 7/8
29. 10/9 or 1⅑
30. 2/3
31. 1/3
Step-by-step explanation:
sana makatulong