3/4=0.75; 1 1/2=1.5
Negatives are least: smallest is -1, then -0.9 between -1 and 0.
The smallest positive is 3/4 or 0.75 between 0 and 1.
Then comes 1.1 which is smaller than 1.5 and finally 1.5 or 1 1/2.
Final order: -1, -0.9, 3/4 or 0.75, 1.1, 1 1/2 or 1.5.