7 14/15 + 2 1/15=9 15/15=10
9 24/27+12 13/27 =21 37/27=22 10/27
1-12/19=19/19 -12/19=7/19
8-3 6/15=120/15-51/15=69/15=4 9/15=4 3/5
12-11 6/11=132/11-127/11=5/11
16 3/13-6 8/13=15 16/13-6 8/13=9 8/13
13 4/9-2 8/9=12 13/9-2 8/9=10 5/9
10 7/16-4 12/16 =9 21/16-4 12/16=5 9/16
29 49/53-8 49/53=21
Последний не виден