# Number

## Fractions

This section is a review of fractions. This is an essential skill for algebra manipulation, and helps with the understanding of percentage also

The links to these instructional YouTube clips come from The Organic Chemistry Tutor.

Polynomial expressions [length: 17m:52s]
This video details how to simplify algebraic expressions.
Fractions intro [length: 12m:16s]
This video provides a basic introduction into fractions.  It explains how to add, subtract, multiply and divide fractions.  It contains plenty of examples and practice problems.
Converting improper fractions [length: 3m:37s]
This video details how to convert improper fractions to its decimal equivalent.
Converting decimals to fractions [length: 3m:36s]
This video details how to convert a decimal to a fraction.
Mixed numbers to improper fractions [length: 3m:44s]
This video details how to convert a mixed number into an improper fraction.
Comparing fractions [length: 10m:11s]
This video details how to compare fractions.
Simplify complex fractions [length: 2m:56s]
This video details how to simplify complex fractions by multiplying the numerator and denominator by the common denominator of all fractions within the larger fraction.