Помогите 1041плиз срочно

Г. 5 11/42-2 3/14-1 1/21= 5 11/42-2 9/42- 1 2/42=(5-3) (11/42-11/42)= 2;Л. 13-5 7/12-1 4/15= 12+1-5 35/60-1 16/60=12 60/60-5 35/60-1 16/60= (12-6) ((60-51)/60)=6 9/60= 6 3/20;О. 7 5/18-3 2/27-11/54= 7 15/54-3 4/54-11/54=(7-3) (15/54-15/54)= 4;Б. 11-6 13/21-3/14= 10+1-6 26/42-9/42=10 42/42-6 26/42-9/42= (10-6) (42/42-35/42)=4 7/42= 4 1/6;У. 9 3/20-2 3/25-4= 9 15/100-2 12/100 -4=(9-6) (15/100-12/100)= 3 3/100;С. 8 7/12 -4 5/18-1 1/4= 8 21/36-4 10/36-1 9/36=(8-5) (21/36-19/36)= 3 2/36= 3 1/18.