Найдите значение выражения: 1) 5/9 + 4/9 * 3 1/6 * (4/19 + 1 5/38 - 75/76); 2) (1 5/54 - 11/36) * 3 3/5 * 2 2/7 - 1 2/7

1) 5/9 + 4/9 * 3 1/6 * (4/19 + 1 5/38 - 75/76)=5/9 + 4/9 * 19/6 * (1+(16+10-75)/76)=5/9 + 38/27 * (76+26-75)/76=5/9 + 38/27 * 27/76=5/9 + 1/1 * 1/2=5/9+1/2=(10+9)/18=19/18=1 1/8; 2) (1 5/54 - 11/36) * 3 3/5 * 2 2/7-1 2/7 * 1 5/9=(59/54 - 11/36)*18/5 * 16/7 - 9/7 * 14/9=(59*2 - 11*3)/3 * 1/5 * 8/7 - 1/1 * 2/1=(118 - 33)/3 * 1/5 * 8/7 - 2=85/3 * 1/5 * 8/7 - 2=17/3 * 1/1 * 8/7 - 2=136/21 - 2=6 10/21 - 2=4 10/21