Respuesta :

1) 12 1/3 - 7 5/7 = 4 13/21

12 + 1/3 - 7 - 5/7
12 - 7 = 5
1/3 - 5/7 = 7/21 - 15/21 = -8/21
5 - 8/21 = 4 13/21


2) 14 - 10 1/6 = 3 5/6

14 - 10 - 1/6
14 - 10 = 4
4 - 1/6 = 3 5/6


Hope this helps :)