1) 9+(-1 1/2) = 9 - 1 1/2 = 7 1/2
2) 8+(-2 5/7) = 8 - 2 5/7 = 5 2/7
3)5+(-6 2/3) = 5 - 6 2/3 = -1 2/3
1) 9+(-1 1/2) = 9 - 1 1/2 = 7 1/2
2) 8+(-2 5/7) = 8 - 2 5/7 = 5 2/7
3)5+(-6 2/3) = 5 - 6 2/3 = -1 2/3