Quote:
Originally Posted by pkdk
I can't read?
An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25. Zero is considered to be both real and imaginary.
changing real numbers 2/4 to 1/2 is imaginary
You can copy/paste. Your notes about imaginary numbers are from a math/flashcards site. You do not understand what they mean, which is not necessarily an indictment.
You skipped over the section about simplifying fractions, from a much earlier chapter. Lowest common denominators are not imaginary.
You can't build the 12th floor of a building before the first floor.