Algebraic Fractions (AQA GCSE Maths): Quizzes

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Algebraic fractions
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What do algebraic fractions contain?

Variables and numbers

What process simplifies algebraic fractions?

Cancelling common factors

What does x2y3xy2\frac{x^2y^3}{xy^2} simplify to?

xyxy

How do you multiply algebraic fractions?

Multiply numerators, multiply denominators

To divide by a fraction, what must you do?

Flip second fraction then multiply

What's needed to add or subtract algebraic fractions?

Same denominator

What's the common denominator for 3x+3\frac{3}{x+3} and 2x2\frac{2}{x-2}?

(x+3)(x2)(x+3)(x-2)

What's step 1 for adding algebraic fractions?

Find the common denominator

What can you cancel in algebraic fractions?

Factors only

Why can't you cancel xx from x+1x\frac{x+1}{x}?

xx is added to 1 in numerator

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