ill mark whoever answer this one first brainliest

Answer:
9/4 lbs (= 2 1/4 lbs)
Step-by-step explanation:
given original amount of chicken is 4 1/2 lbs ( = 9/2 lbs)
for half the recipe, we need half the amount of chicken
= 9/2 lbs x 1/2
= 9/4 lbs (= 2 1/4 lbs)