Помогите с дробями!!!!!!!!!!!!!!!

Question

Помогите с дробями!!!!!!!!!!!!!!!

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Answer 1

22 1/3-(10 7/12+9 11/20)=1 1/5
1) 10 7/12+9 11/20=127/12+191/20=635/60+573/60=1208/60
2) 22 1/3-1208/60=67/3-1208/60=1340/60-1208/60=132/60=1 12/60=1 1/5