Brush up on your math skills relating to the least common denominator then try some practice problems to test your understanding.

Brush up on your math skills relating to the least common multiple then try some practice problems to test your understanding.

Practice rewriting fractions to have the same denominator. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Students review how to compare fractions with unlike denominators. The video tutorial includes detailed examples.

[Free Registration/Login may be required to access all resource tools.] Compare fractions using lowest common denominators.

[Free Registration/Login may be required to access all resource tools.] Order fractions from least to greatest and greatest to least using lowest common denominators.

This resource contains information about fractions and includes ratios, equivalent fractions, basic operations, and reciprocals. Several links for practice problems are also included, along with links to a post and pretest.

A graphing calculator lesson focusing on common denominator. Lesson contains detailed examples, visual demonstrations with key functions, and practice problems. Acrobat Reader required.

[Free Registration/Login Required] This flipchart teaches the steps necessary to add or subtract fractions with unlike denominators by getting a common denominator. It uses Activotes to assess getting the correct least common multiple,...

Brush up on your math skills pertaining to adding mixed numbers then try some practice problems to test your understanding.

[Free Registration/Login may be required to access all resource tools.] Represent sums and differences on a number line and add and subtract rational numbers.