Question

14 20/29-(3 13/29+2 7/29)-5 6/7

Answer 1

3 13/29+2 7/29=5 20/29;
14 20/29-5 20/29=9;
9-5 6/7=8 7/7-5 6/7=3 1/7.

Answer 2

Исправьте 3 13/29+ 2 7/29=... Не 6