jawaban...............
1. 7/12 + 3/4
= 7/12 + 9/12
= 16/12 (sama sama dibagi 4)
= 4/3
2. 8/9 + 11/3
= 8/9 + 33/9
= 41/9
= 4 5/9
3. 11/8 + 17/2
= 11/8 + 34/8
= 45/8
= 5 5/8
4. 2 3/5 + 3 1/4
= 13/5 + 13/4
= 52/20 + 65/20
= 117/20
= 5 17/20
5. 4 5/7 + 1 3/5
= 33/7 + 8/5
= 165/35 + 56/35
= 221/35
= 6 11/35
6. 7 2/3 + 8 1/4
= 23/3 + 33/4
= 92/12 + 99/12
= 191/12
= 15 11/12
