Answer:
We will fill 6 containers with 3/7 of another full
Explanation:
Take the number of cups of flour and divide by the amount each container will hold
15 ÷ 2 1/3
Change to an improper fraction
15 ÷ ( 3*2+1)/3
15÷ 7/3
Copy dot flip
15 * 3/7
45/7
Change to a mixed number
6*7 = 42 with 3 left over
6 3/7
We will fill 6 containers with 3/7 of another full