ПОМОГИТЕ РЕШИТЬ 6 1/9-4 8/9 8 3/7-4 4/7 (1 1/8+8 5/8)-3 2/8 4 8/11+(5 2/11-3 7/11) 16 10/11-(1 4/11+7 9/11) С РАСПИСЫВАНИЕМ

1)6 1/ 9 - 4 8 /9 = 2 + 1 /9 - 8/ 9 = 2 + 1 - 8 /9 = 2 - 7/ 9 = 2·9/ 9 - 7/ 9 = 11 /9 = 2 + 1·9/ 9 = 1 2 /9;2)8 3/ 7 - 4 4/ 7 = 4 + 3 /7 - 4 /7 = 4 + 3 - 4 /7 = 4 - 1/ 7 = 4·7 /7 - 1/ 7 = 27/ 7 = 6 + 3·7/ 7 = 3 6/ 7;3)(1 1/8+8 5/8)-3 2/8 = ( 9 + 1/ 8 + 5/ 8) - 3 2/8 = 9 6/8 - 3 2/8 = 6 + 6/8-3/8= 6 3/8;4)4 8/11+(5 2/11-3 7/11) = 4 8/11 +( 2 + 2/11- 7/11) = 4 8/11 + (1 + (11+2)/11 - 7/11) = 4 8/11+ 1+ 6/11 = 5 + 14/11 = 6 3/11;5)16 10/11-(1 4/11+7 9/11) = 16 10/11 - ( 8 + (4/11+9/11)) = 16 10/11 - 8 - 1 2/11= 7 8/11.