AQA Maths Fractions Revision Notes
Master AQA Maths Fractions using simple revision notes, key facts and practice questions — all generated by AI for your exam.
Fractions represent a part of a whole and are expressed as a ratio of two integers, where the numerator is the top number and the denominator is the bottom number. Understanding fractions is essential for performing operations such as addition, subtraction, multiplication, and division involving rational numbers.
Key Concepts
- 1A fraction consists of a numerator and a denominator.
- 2Fractions can be simplified by dividing both the numerator and denominator by their greatest common divisor (GCD).
- 3To add or subtract fractions, they must have a common denominator.
- 4Multiplying fractions involves multiplying the numerators and denominators directly.
- 5Dividing fractions requires multiplying by the reciprocal of the divisor.
Simple Explanation
A fraction shows how many parts of a whole you have. The top number (numerator) tells you how many parts you have, while the bottom number (denominator) tells you how many equal parts the whole is divided into. To work with fractions, you can add, subtract, multiply, or divide them using specific rules. For example, to add fractions, you need to make sure they have the same denominator first.
Memory Trick
“Remember 'Top Heavy' for adding fractions: Make the numerators match first, then add the tops and keep the bottom the same!”
Flashcards
What is the numerator in a fraction?
Tap to reveal answer
Exam Questions
Describe and explain how to simplify the fraction 8/12. [6 marks]
6 marksView mark scheme hint▾
Identify the GCD, show division steps, and state the simplified fraction.
Explain how to add the fractions 1/3 and 1/6. [4 marks]
4 marksView mark scheme hint▾
Discuss finding a common denominator and performing the addition.
What is meant by the term 'common denominator'? [2 marks]
2 marksView mark scheme hint▾
Define common denominator and its role in adding fractions.
Practice Quiz
What is 1/2 + 1/4?
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