Answer:
1 11/24 pounds left
Step-by-step explanation:
For this question, find the common denominators of the fraction to add them.
A common multiple of 6 and 8 is 24.
So, 5*4 = 20 6*4 = 24
3 20/24 of potting soil initially
Then, 3*3 = 9 8*3 = 24
2 9/24 used
To find how many pounds are left:
3 20/24 - 2 9/24 = 1 11/24
