Сколько будет 12-11 6/118-3 6/1510 7/16-4 12/1616 3/13-8/1329 49/53-8 49/53

Question

Сколько будет
12-11 6/11
8-3 6/15
10 7/16-4 12/16
16 3/13-8/13
29 49/53-8 49/53

Answer 1

1)5/11
2)4 9/15
3)5 11/16
4)15 8/13
5)21

Answer 2

12-11 6/11=(132-127)/11=5/11
8-3 6/15=(120-51)/15=69/15=4 9/15=4  3/5
10 7/16-4 12/16= 167/16-76/16=91/16=5  11/16
16 3/13-8/13= 211/13-8/13=203/13=15  8/13
29 49/53-8 49/53= 21