Instructional Video4:10
Curated Video

Cross-Reducing

K - 12th
Understanding cross-reduction.
Instructional Video3:11
Curated Video

Cross-Reducing (Example)

K - 12th
Understanding cross-reduction.
Instructional Video2:03
Brian McLogan

Learn how to determine the product of two fractions with unlike denominators

12th - Higher Ed
👉 Learn how to multiply fractions. To multiply fractions, we need to multiply the numerator by the numerator and multiply the denominator by the denominator. We then reduce the fraction. By reducing the fraction we are writing it in most...
Instructional Video5:41
Brian McLogan

Multiplying fractions

12th - Higher Ed
👉 Learn how to multiply fractions. To multiply fractions, we need to multiply the numerator by the numerator and multiply the denominator by the denominator. We then reduce the fraction. By reducing the fraction we are writing it in most...
Instructional Video5:23
Brian McLogan

Multiplying Fractions

12th - Higher Ed
👉 Learn how to multiply fractions. To multiply fractions, we need to multiply the numerator by the numerator and multiply the denominator by the denominator. We then reduce the fraction. By reducing the fraction we are writing it in most...
Instructional Video3:44
Brian McLogan

How to add, subtract, multiply and divide fractions, 2/3 + 3/5

12th - Higher Ed
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Instructional Video6:00
Math Fortress

GRE Arithmetic: Fractions (Part 1 of 5)

12th - Higher Ed
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of fractions. Topics covered include: The definition of a...
Instructional Video2:44
Brian McLogan

Solve y using cross multiplication - literal equation

12th - Higher Ed
👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. When the literal...
Instructional Video5:02
Brian McLogan

Applying cross multiplication to solve a proportion

12th - Higher Ed
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video7:43
Brian McLogan

How to multiply and divide rational expressions

12th - Higher Ed
Learn how to multiply/divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to multiply two fractions, we multiply the numerators...
Instructional Video3:48
Brian McLogan

Dividing two simple rational expressions by factoring

12th - Higher Ed
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Instructional Video3:52
Brian McLogan

Learn how to solve for x when given a proportion with x and y

12th - Higher Ed
👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. When the literal...
Instructional Video2:36
Brian McLogan

How to determine if two ratios create a proportion

12th - Higher Ed
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video8:02
Curated Video

Identifying Proportional Relationships

9th - Higher Ed
In this video, I’ll show you *two easy methods* to determine whether two ratios (or even a whole table of values) are proportional: ✅ *Simplifying Ratios* – Reduce each ratio and compare! ✅ *Cross Products Property* – Multiply across and...
Instructional Video3:01
Curated Video

Dividing Mixed Numbers

K - 12th
Divide mixed numbers.
Instructional Video4:38
Brian McLogan

Solving for y when given twice in a rational expression

12th - Higher Ed
👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. When the literal...
Instructional Video1:36
Brian McLogan

Solving a literal equation with a variable on the denominator (x+2)/y = 2, for x

12th - Higher Ed
👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. When the literal...
Instructional Video2:41
Brian McLogan

Learn how to solve for y of a rational expression

12th - Higher Ed
👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. When the literal...
Instructional Video3:12
Brian McLogan

Learn how to solve a rational literal equation

12th - Higher Ed
👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. When the literal...
Instructional Video2:07
Brian McLogan

Tutorial-Solve a proportion when the variable is in denominator and numerator ex 16, (3+2x)/(3–2x)=3

12th - Higher Ed
Tutorial-Solve a proportion when the variable is in denominator and numerator ex 16, (3+2x)/(3–2x)=3
Instructional Video3:53
The Daily Conversation

The Future of Airplanes

3rd - 11th
Planes will change a lot in the next 50 years. This is look at the developments in airplane technology that are likely in the future of aviation. Inspired
Instructional Video2:35
Brian McLogan

Learn to multiply two rational expressions together

12th - Higher Ed
👉 Learn how to simplify expressions by multiplying its terms. When multiplying expressions, each individual term of the expression is multiplied to its like term and the exponents are evaluated using the product rule, the quotient rule...
Instructional Video1:37
Curated OER

How Do You Reduce A Fraction?

4th - 6th
Reduce, reduce, reduce. Young mathematicians should learn this and make it their mantra. Reduce fractions before doing anything else to them. Practice reducing single fractions, practice reducing fractions that are being multiplied by...
Instructional Video10:35
Curated OER

How Do You Solve a Rational Equation by Adding Fractions?

6th - 12th
A comprehensive video, this resource explains how to solve an equation when you have a variable in the denominator. The lecturer works through 2 different problems that represent 2 situations. From this video, pupils can gain knowledge...