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Edexcel IGCSE Maths 復(fù)習(xí)筆記 2.6.3 Algebraic Fractions - Multiplying & Dividing

Category: IGCSE課程, 國(guó)際課程, 教材筆記, 福利干貨 Date: 2022年6月28日 上午11:15

Edexcel IGCSE Maths 復(fù)習(xí)筆記 2.6.3 Algebraic Fractions - Multiplying & Dividing

What is an algebraic fraction?

  • An algebraic fraction is simply a fraction with an algebraic expression on the top (numerator) and/or the bottom (denominator)

Dividing algebraic fractions

  • Never?try to divide fractions
  • Instead?“flip’n’times”
  • So “÷a/b” becomes “×b/a”and then follow the rules for multiplying…

Multiplying algebraic fractions

  1. Simplify?by factorising and cancelling (ignore the × between the fractions)
  2. Multiply the?tops?(numerators)
  3. Multiply the?bottoms?(denominators)
  4. Simplify?by factorising and cancelling (if you missed something earlier).

Worked Example

轉(zhuǎn)載自savemyexam

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