1) 35/5+3/5=38/5
2) 8+11/17 = 136/17+11/17=147/17
3) 13/19 + 5= 13/19+95/19
4) 4 5/18 +2 4/18=77/18+40/18=117/18=6,5
5) 6 7/15 + 2 3/15 = 97/15 + 33/15 = 130/15=8 2/3
6) 7 9/16 + 8 7/16 = 121/16 + 135/16= 256/16 =16
7)4 9/19 + 5 13/19 = 85/19 + 108/19 = 193/19 = 10 3/19
8)9 11/16 + 4 3/16 = 155/16 + 67/16 = 222/16 = 13 7/8
9) 15 7/40 +2 2/10= 607/40 + 22/10 = 607/40 + 88/40 = 695/40= 17 3/8
10) 5 7/18 + 2 5/18 = 97/18 + 41/18 = 138/18 = 7 2/3
11) 13 2/7 + 4 3/7 + 5 6/7= 93/7 + 31/7 + 41/7 = 165/7 = 23 4/7