02:14duration 2 minutes 14 seconds

Least common multiple of two monomials

A clarification on what common multiple means and why the least common one is larger than or at least as large as either number or expression. Then there follows an example of two multivariate…

01:30duration 1 minute 30 seconds

Finding the LCD of rational expressions with…

Finding the LCD of rational expressions with linear denominators: Common factors

This shows how to find the least common denominator of two fractions, nothing more.

02:54duration 2 minutes 54 seconds

Shows how to create the simplest expression both of the given ones divide into.

03:31duration 3 minutes 31 seconds

Intro to addition/subtraction of fractions witih…

Intro to addition/subtraction of fractions witih different denominators

The f irst basic addition/subtraction of fractions that don't have the same denominators.

02:26duration 2 minutes 26 seconds

Least common multiple (or denominator) of 3…

Least common multiple (or denominator) of 3 numbers