Answer:
The answer is: B, C, and F.
Step-by-step explanation:
A. No.
3 1/3 - 1 5/6 =
10/3 - 11/6 =
20/6 - 11/6 =
9/6 = 2/3
B. Yes.
1 1/4 + 1/4 = 1 1/2
C. Yes.
6 1/2 - 8 = 1 1/2
D. No.
4 1/4 - 1 3/4 =
17/4 - 7/4 =
10/4 =
5/2 =
2 1/2
E. No
5/8 + 7/8 =
13/8 =
1 5/8
F. Yes.
2 1/4 - 3/4 =
9/4 - 3/4 =
6/4 =
3/2 =
1 1/2