Answer: 2. D 3.C 4.D 5.2 2/3
Explanation:
2. 1 1/2 = 1 2/4 so 1 2/4 +6 3/4= 7 5/4 or 8 1/4
3.3 3/4 =3 6/8 so 3 6/8+2 1/8 =5 7/8
4. 4 3/4 =4 9/12 and 2 1/6 = 2 2/12 so 4 9/12-2 2/12= 2 7/12
5. 6 3/4- 1 3/4= 5 5-2 1/3 =2 2/3 because 5= 4 3/3 so 4-2 =2 3/3-2/3=1/3
Hope this helps!!!