For #1) . The answers in order are: 21 1/4, 21 2/4 (2/4=half , which is reduced form.) 21 3/4.
*22 is already given to you so that means it's fraction is 4/4=1= 22.
For #2) The answers in order are: 73 1/3, 73 2/3.
*74 is given so that means 74= 4/4= 1.
For #3) 2/3, 1/4, 5/6 the answer is 16.
If you use the denominators you will see that 3 can NOT divide evenly into 16. Therefore 16 is your answer.
(12, 24, and 48 can all be divided evenly by the denominators.)
Those are all of your correct answers! Yay! Good luck!! I hope that this helps!