Adding Fractions with Unlike Denominators (same steps for subtracting fractions)
Adding Mixed Numbers (same steps for subtracting mixed numbers)
Easiest Common Denominators (ECD) - MathAntics
Finding the Least Common Denominator (LCD) using common multiples - MathAntics
Simplifying Fractions using Prime Factors - MathAntics - this is a unique strategy that in the past I have used with the students as one of several options to simplify fractions.
Adding Mixed Numbers - MathAntics
Subtracting Mixed Numbers - MathAntics
Fractions are Parts - MathAntics
Working with Parts - MathAntics
Types of Fractions - MathAntics - such a GREAT video!