Verified answer

Ответ:

Пошаговое объяснение:

4 13/17 + 5 4/17= 9 17/17=10

3 8/11 + 2 6/11= 5 14/11= 6 3/11

1- 16/21=21/21 - 16/21=5/21

5- 2 3/8= 4 8/8 - 2 3/8= 2 5/8

8 4/9 - 3 7/9= 7 13/9 - 3 7/9= 4 6/9= 4 2/3

12 19/44 - 6 37/44= 11 63/44 - 6 37/44=

=5 26/44= 5 13/22