Answer:
Step-by-step explanation:
hello :
21/2 = (21×5)/2×5) = 105/10
-7.5 = - 75/10
36/5 = (36×2)/(5×2) = 72/10
9.5=95/10
the order is : -7.5 , 36/5 , 9.5 , 21/2
