Curated OER
How Do You Divide Two Rational Expressions?
An instructor walks viewers through a complicated problem in which she divides 2 rational expressions. For this problem, she has to find excluded values, use the zero product property, multiply, divide, cancel, and simplify. This video...
Curated OER
What is a Scale Drawing?
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
Curated OER
How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
Curated OER
How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?
Are your young mathematicians having trouble with subtracting mixed fractions? Consider this video to supplement your teaching. An instructor explains step-by-step how to subtract mixed fractions with unlike denominators, showing viewers...
Curated OER
How Do You Subtract Two Rational Expressions with the Same Denominator?
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
Curated OER
How Do You Turn a Fraction Into a Percent?
A percent is a value over 100. You are given a fraction and need to make it a percent. Some calculations will need to be made to find an equivalent fraction. The instructor shows you how to make those calculations to the numerator and...
Curated OER
How Do You Find a Rational Number Between Two Fractions?
So do you really want to know how to find a rational number between two given fractions? The teacher explains how to average the two fractions to find a rational number between the two fractions. There are several steps involved in...
Curated OER
How Do You Simplify a Polynomial Over a Polynomial Using Opposite Binomial Factors?
The teacher explains the many steps in simplifying a rational expression using opposite binomial factors. At first it seems complicated but if you follow along and watch out for your negative numbers you can learn how to simplify this...
Virtual Nerd
How Do You Divide Two Polynomials by Factoring and Canceling?
The rational expression in this example is of a trinomial divided by a trinomial. Learn how to simplify this rational expression. The instructor demonstrates how to factor each trinomial and cancel the like terms to get it in simplest form.
Curated OER
How Do You Simplify a Fraction Over a Whole Number?
Learn how to take a complex fraction and use the reciprocal rule of division to simplify the fraction.
Curated OER
What's an Improper Fraction?
The instructor explains that an improper fraction is one in which the numerator is greater than the denominator.
Curated OER
How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?
A detailed video tutorial on how to solve an equation with fractions with different denominators, this resource could prove to be a valuable tool. This video covers how to deal with fractions as well as how to solve an algebraic equation...
Curated OER
How Do You Turn a Fraction Into a Terminating Decimal?
Writing a fraction is just another way of writing a division problem. Which means all fractions are then division problems. Fractions can be converted into decimal numbers by doing the division. This fraction can be converted into a...
Curated OER
How Do You Divide Monomials Using the Greatest Common Factor?
Factor out the greatest common factor to simplify a rational expression. When the greatest common factor is divided out of the numerator and the denominator what is left is the rational expression in simplest form. Watch as the teacher...
Curated OER
What's a Complex Expression with Rational Expressions?
The teacher defines a complex fraction. She writes an example on the whiteboard. She says that any fraction that additionally has another fraction in either the numerator, or the denominator, or both, is a complex fraction.
Curated OER
How Do You Multiply Two Rational Expressions?
Before doing any kind of multiplication, first see if the terms can be reduced. Otherwise the values after multiplying can be very large and would need to be reduced anyway to simplest terms. So check out how to factor the given rational...
Curated OER
How Do You Convert a Mixed Expression To a Rational Expression?
Given a monomial and a polynomial, rewrite the expression as a rational number. This is not as confusing as you might think. First is to make the monomial a rational number by giving it a denominator. Once that is done, numbers can be...
Curated OER
Why is it Called a Rational Expression?
If your algebraic expression is a ratio of two polynomials then you have a rational expression. Find out what that might look like.
Curated OER
What's a Rational Expression?
A rational expression has a polynomial in the numerator as well as a polynomial in the denominator. The instructor writes out an example for you to see.
Loyola University Chicago
Math Flix: Compare Fractions With Same Denominators
This QuickTime movie provides an opportunity to compare fractions with the same denominator. As you watch and listen to the teacher and students interact it helps clarify this concept.