# common denominator   6 videos

• #### Least Common Multiple

##### Pre-AlgebraPrime Numbers

Vocabulary of multiples and least common multiples

• #### Adding/Subtracting Fractions- Like Denominators

##### Pre-AlgebraFractions and MIxed Numbers

Adding and subtracting fractions that have the same denominator, including a visual representation

• #### Adding/Subtracting Fractions- Unlike Denominators

##### Pre-AlgebraFractions and MIxed Numbers

Drawing pictures and procedures for adding or subtracting fractions with unlike denominators

• #### Factoring Greatest Common Factor

##### Pre-AlgebraPolynomials

Factoring is turning a sum or difference into a product

• #### Solving Equations with fractions and decimals by "Clearing"

##### Pre-AlgebraSolving Equations and Inequalities

Solving equations with fractions by multiplying by the least common multiple

• #### Volume and Surface Area

##### Pre-AlgebraIntroductory Geometry

Vocabulary and formulas for surface area and volume of common solids