Given data:
The given numbers.
The third number is 3 1/2=3.5, the fifth number is -1 2/3=-1.667, the sixth number is -3 3/4=-3.75, and the last number is -2 7/8 = -2.875.
Thus, the ascending order of the given numbers is -4, -3 3/4, -2 7/8, -1 2/3, 1.3, 3 1/2, 6.75.