Помогите номер 3 срочно оч надо

Question

Помогите номер 3 срочно оч надо

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Answer 1

3 1/5 - 1 4/5 = 2 6/5 - 1 4/5 = 1 2/5
6 1/8 - 2 3/8 = 5 9/8 - 2 3/8 = 3 6/8 = 3 3/4
4 5/11 - 3 9/11 = 3 16/11 - 3 9/11 = 7/11
8 4/13 - 5 8/13 = 7 17/13 - 5 8/13 = 2 9/13