Помогите !!!!!!!!!!!!!!

Question

Помогите !!!!!!!!!!!!!!

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Answer 1

1/5+1/9+1/3=9/45+5/45+15/45=29/45
1/2+3/5-2/3=15/30+18/30-20/30=13/30
5/6+3/8-1/4=20/24+9/24-6/24=23/24
5/9+1/6+3/4=20/36+6/36+27/36=53/36
1/3+4/9+5/6=6/18+8/18+15/18=29/18
1/4+1/5-3/10=5/20+4/20-6/20=3/20