Algebraic Fractions (Edexcel GCSE Maths): Flashcards
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Practise the cards
13 cards from this deck
Key principle: algebraic vs numerical fractions
Key principle: algebraic vs numerical fractions
Follow exactly the same rules
Goal when simplifying algebraic fractions
Goal when simplifying algebraic fractions
Cancel out common factors in numerator and denominator
Can you cancel terms in algebraic fractions?
Can you cancel terms in algebraic fractions?
No, only factors can be cancelled, not terms
Why factorise before simplifying?
Why factorise before simplifying?
To reveal hidden common factors
What does DOTS stand for?
What does DOTS stand for?
Difference of two squares
Rule for multiplying algebraic fractions
Rule for multiplying algebraic fractions
Multiply numerators together and denominators together
Time-saving tip when multiplying fractions
Time-saving tip when multiplying fractions
Cancel common factors before multiplying
Most straightforward operation with algebraic fractions
Most straightforward operation with algebraic fractions
Multiplication
Rule for dividing algebraic fractions
Rule for dividing algebraic fractions
Flip the second fraction and multiply
Reciprocal means...
Reciprocal means...
Swap numerator and denominator of a fraction
Why is adding/subtracting fractions more challenging?
Why is adding/subtracting fractions more challenging?
Need to work with common denominators
Steps for adding/subtracting algebraic fractions
Steps for adding/subtracting algebraic fractions
Find common denominator, rewrite fractions, add/subtract numerators, keep denominator
Common denominator typically is...
Common denominator typically is...
Product of all different denominators