Answer:
1. D
1 3/4 - 5/8
7/4 - 5/8 = 14/8 - 5/8 = 9/8 or 1 1/8
2. B
13 3/7 + 5/21
94/7 + 5/21 = 282/21 + 5/21 = 287/21 or 13 14/21 or 13 2/3
3. B
5 - 3 1/3
15/3 - 10/3 = 5/3 or 1 2/3
4. B
4 × 1/6 = 4/6 or 2/3
5. C
5 + 2 3/4
20/4 + 11/4 = 31/4 or 7 3/4
