Search for tag: "least common denominator"

Adding rational expressions involving different quadratic denominators

Adding ratioinal expressions with quadratic denominators requires factoring each denominator so that the LCD can be determined. Then each fraction is exapanded by multiplying the tops and the…

From  Tom Grant 6 plays 0  

Adding rational expressions with multivariate monomial denominators: Basic

This example shows how to factor each denominator and then determine which of these factors are needed to create the least common denominator (LCD). Then the fractions are expanded by multiplying…

From  Tom Grant 6 plays 0  

Adding rational expressions with denominators ax and bx: Basic

This example shows how to add fractions with different denominators by adjusting one of the fractions so that they have a common denominator.

From  Tom Grant 7 plays 0  

Finding the LCD of rational expressions with quadratic denominators

Each denominator is factored and then any common factor is used only once and all other unique factors complete the LCD

From  Tom Grant 5 plays 0  

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

A demonstration of how factoring is used to discover the minumum number of factors that need to be combined to find the smallest denominator that can be used as the LCD of the two given fractions.

From  Tom Grant 8 plays 0  

Complex fraction with negative exponents: Problem type 2

This demonstrates how to convert negative exponents in a complex fraction to the reciprocal positive exponents and then use the LCD of all fractions to simplify.

From  Tom Grant 13 plays 0  

Complex fraction without variables: Problem type 2

Shows how to simplify a large fractions with fractioins embedded in it. The simplest way involves multiplying all small fractions by their least common denominator so the individual denominators…

From  Tom Grant 9 plays 0  

Adding rational expressions with multivariate monomial denominators: Advanced

Shows how to use the given factors of two different denominators and find the LCD then adjust the fractions so they can be added

From  Tom Grant 16 plays 0  

Finding the LCD of rational expressions with quadratic denominators

Factoring quadratics to find the LCD of two fractions in algebra

From  Tom Grant 31 plays 0  

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.

From  Tom Grant 8 plays 0  

Least common multiple of two monomials

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

From  Tom Grant 10 plays 0