Answer:
It isn't correct, 2 1/4 ≠ 4.5
Because: 2 1/4 is a mixed fraction that can be converted into a improper fraction and then into a whole number this way:
"2 1/4"
whole number: 2
numerator: 1
denominator: 4
whole number × denominator + numerator over denominator
[2 × 4 + 1 = 9 over 4(9/4)]
9/4 is a fraction and a fraction is a division. So, 9 ÷ 4 = 2.25