Respuesta :

mirnaxlunam

Answer:

90

Step-by-step explanation:

  1. change mixed number to improper fraction 22 1/2 = 22*2+1/2 =  45/2
  2. now flip numbers on the second fraction 1/4 = 4/1
  3. now you can multiply across 45*4 and 18*2 = 180/2
  4. and simply so its 90