1) 6/7 - 4 = 6/7 - 28/7 = (6-28)/7 = -22/7
2) 3 - 1 4/11 = 3 - (11+4)/11 = 3 - 15/11 = (33-15)/11 = 18/11
3) 15 8/41 - 9 = 15 + 8/41 - 9 = 15 - 9 + 8/41 = 6 + 8/41 = (6*41 + 8)/41 = 244/41
4) 5 3/7 - 4 = 5 + 3/7 - 4 = 5 - 28/7 - 4 = 5 - 4 - 28/7 = 1 - 28/7 = (7-28)/7 = -21/7 = -3
1) 6/7 - 4 = 6/7 - 28/7 = (6-28)/7 = -22/7
2) 3 - 1 4/11 = 3 - (11+4)/11 = 3 - 15/11 = (33-15)/11 = 18/11
3) 15 8/41 - 9 = 15 + 8/41 - 9 = 15 - 9 + 8/41 = 6 + 8/41 = (6*41 + 8)/41 = 244/41
4) 5 3/7 - 4 = 5 + 3/7 - 4 = 5 - 28/7 - 4 = 5 - 4 - 28/7 = 1 - 28/7 = (7-28)/7 = -21/7 = -3