Wednesday, November 29, 2006

Notes on Adding & Subtracting Fractions

To add or subtract fractions:
  1. Turn all mixed and/or whole numbers into improper fractions.
  2. Find equivalent fractions with a common denominator.
  3. Add/Subtract the numerator.
    *Denominator stays the same.
  4. Reduce to simplest form.

*Note that some steps are not always needed for every problem.
*To turn a whole number into an improper fraction, put it over 1.
*Remember: LCD is the LCM of the denominators.

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