Решите пд дроби)) 6/8+1/4 12/6-1/7 12/13-3/3 11/11-4/3 ПОМОГИТЕ ПЖ!

Question

Решите пд дроби)) 6/8+1/4 12/6-1/7 12/13-3/3 11/11-4/3 ПОМОГИТЕ ПЖ!

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ПОМОГИТЕ ПРОШУ )

Answer 1

6/8+1/4=6/8+2/8=8/8=1
12/6-1/7=84/42-6/42=78/42=13/7
12/13-3/3=36/39-39/39=-3/39=-1/13
11/11-4/3=33/33-44/33=-11/33=-1/3

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