1).2 1/4+2 1/3+2 1/2= 2).4 1/2+3/8+2 1/4= 3).2 1/3+2 5/9+3 3/6= 4).3 1/4+4/6+5 5/12=

1. (2+2+2) + 1/4 + 1/3 + 1/2
= 6 + 3/12 + 4/12 + 6/12
= 6 + 13/12
= 7 1/12

2. (4+2) + 1/2 + 3/8 + 1/4
= 6 + 4/8 + 3/8 + 2/8
= 6+ 9/8
= 7 1/8

3. (2+2+3) + 1/3 + 5/9 + 3/6
= 7 + 6/18 + 10/18 + 9/18
= 7 + 25/18
= 8 7/18

4. (3+5) + 1/4 + 4/6 + 5/12
= 8 + 6/24 + 16/24 + 10/24
= 8 + 32/24
= 8 + 4/3
= 9 1/3