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Additional Mathematics
Algebra: Techniques

Section 2: Algebraic fractions

Notes and Examples
These notes contain subsections on
Cancelling algebraic fractions
Adding and subtracting algebraic fractions
Solving equations

Cancelling algebraic fractions
There are other notes on this in the earlier chapter but it is worth bearing in
mind that if something doesn't…

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AM Algebra techniques 2 Notes and Examples

Adding or subtracting algebraic fractions

When adding or subtracting, a common denominator is required. The lowest
common denominator is best as it saves work later.

Example 2
3x x
Simplify: 2
x 9 x x6

We don't need (x ­ 3)2


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