1. What is the difference between an algebraic fraction and an ordinary fraction?
Algebraic fractions contain variables (letters) in one form or another. Ordinary fractions just contain numbers.
Both types of fractions obey the SAME basic rules.
2. When can terms be cancelled in an algebraic fraction?
Terms can only be cancelled when they are in factor form i.e. Being multiplied.
A common but very wrong method is shown below. Do not do it!!!
This is incorrect:
This is correct: