Answer :
Answer:
the cat now weighs 13 3/8 LBS
Step-by-step explanation:
convert the fractions so you can add them together,
mult 3/4 by two to get common denominators
6/8 + 5/8
the cat gained 11/8 pounds. (1 3/8)
since the numerator is larger we add the mixed number to the 12 pounds.
13 3/8 pounds.