1.4+5/2 2.3 +1/3 3.2 1/3+71/6

4 + 5/2 = 8/2 + 5/2 = 13/2

3 + 1/3 = 9/3 + 1/3 = 10/3

2 1/3 + 71/6 = 7/3 + 71/6 = 14/6 + 71/6 = 85/6

1. 4+5/2 = 4 + 2 1/2
= 6 1/2
2. 3+1/3 = 3 1/3
3. 2 1/3 + 71/6 = 2 2/6 + 11 5/6
= 13 7/6
= 14 1/6

Semoga membantu!