Помогите решить примеры
А)) 10/11- 4/11+ 3/11=(10-4+3)/11= 9/11 Б)) 4 6/9+ 3 8/9= (4+3) + (6+8)/9= 7+ 14/9= 7+ 1 5/9= 8 5/9 В)) 6 - 2 3/8= 5 8/8- 2 3/8= (5-2)+ (8-3)/8= 3+ 5/8= 3 5/8 Г)) 5 6/13- 1 11/13= 4 (13•1+6)/13- 1 11/13= 4 19/13- 1 11/13= (4-1)+ (19-11)/13= 3 8/13.