find the sum of
1. 7 7/9+1/9
2. 2 21/25+6/25
3.6 2/3+2/3
4. 5 8/12+11/12
5. 9 1/10+3/10
6. 3 2/10+6/10
7.4 1/2+1/2
8.2 2/6+4/6
9. 6 44/50/35/60
10. 8 60/100+16/100
11. 5 18/20+16/20
12. 2 1/2+1/2
13. 8 2/4+3/4
sana po may mka sagut sa anak ko po ito ​