(15 3/14-7 4/35)*1 1/9-(2 1/6+1/8)*2 2/11

1) 15 3/14 - 7 4/35 = 8 (105 - 56)/490 = 8 49/490 = 8 1/10
2) 8 1/10 * 1 1/9 =81/10 * 10/9 =9
3) 2 1/6 +1/8 =2 (4 + 3)/24 = 2 7/24
4) 2 7/24 *2 2/11= 55/24 * 24/11 = 5
5) 9 - 5 = 4
ответ: 4