Answer:
Improper fraction: 6480/12
Proper fraction: 540/12
Step-by-step explanation:
You have to make 2 1/4 and 1 1/2 into a improper fraction which would be 9/4 and 3/2. Now you have to make the denominators the same number, so the denominator would be 12 and the fraction would be 28 /12 x 18/12 x 20/12=
6480/12 into a proper fraction is 540/12
