47/8 + 1 5/8 2 7/15 + 3 13/15 4 8/13 + 2 6/13 5 5/12 + 1 11/12 6 2/5 - 4 7/9 10 3/4 - 7 8 9/13 + 7 12/13 5 3/5 - 2 8/11 4 5/11 - 2 8/11 2 18/25 + 7 8/25 8 3/17 - 4 11/17 6 8/23 - 12/23 10 3/5 + 6 4/5 5 7/9 + 3 4/9 8 3/9 + 1 7/9 12 7/8 + 3 7/8 10 3/7 - 4 5/7

4 7/8 + 1 5/8 = 5 12/8= 6 4/8= 6 1/2=6,5
2 7/15 + 3 13/15=5 20/15= 6 5/15= 6 1/3
4 8/13 + 2 6/13=6 14/13= 7 1/13
5 5/12 + 1 11/12=6 16/12= 7 4/12= 7 1/3
6 2/5 - 4 7/9= 32/5 - 43/9= 288/45 - 215/45=73/45= 1 28/45
10 3/4 - 7 = 10 3/4 - 6 4/4= 43/4 - 28/4=15/4=3 3/4=3,75
8 9/13 + 7 12/13= 15 21/13= 16 8/13
5 3/5 - 2 8/11= 75/5 - 30/11= 825/55 - 150/55=675/55= 12 15/55=12 3/11
4 5/11 - 2 8/11= 49/11 - 30/11= 19/11= 1 8/11
2 18/25 + 7 8/25= 9 26/25= 10 1/25= 10,04
8 3/17 - 4 11/17= 139/17 - 79/17=60/17= 3 9/17
6 8/23 - 12/23=146/23 - 12/23= 134/23= 5 19/23
10 3/5 + 6 4/5=16 7/5= 17 2/5= 17,4
5 7/9 + 3 4/9= 8 11/9= 9 2/9
8 3/9 + 1 7/9=9 10/9= 10 1/9
12 7/8 + 3 7/8= 15 14/8= 16 6/8= 16 3/4= 16,75
10 3/7 - 4 5/7=9 10/7 - 4 5/7= 5 5/7