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Revision Notes

Working with Fractions

CBSE · Class 7 · Mathematics

Quick revision notes for Working with Fractions — CBSE Class 7 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

43 questions60 flashcards5 concepts

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Key Topics to Revise

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1. Multiplication of Fractions

  • A fraction multiplied by a whole number means repeated parts of the same size.
  • A whole number can be written as a fraction with denominator 1.
  • When multiplying a fraction by a whole number, first divide the whole number by the denominator of the fraction, then multiply by the numerator.
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2. Product and Number Size

  • The size of a product depends on the kind of numbers being multiplied.
  • If both numbers are greater than 1, the product is greater than both numbers.
  • If both numbers are between 0 and 1, the product is less than both numbers.
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3. Division of Fractions

  • Division of fractions is done by multiplying by the reciprocal of the divisor.
  • The reciprocal of a fraction is formed by interchanging the numerator and denominator.
  • A fraction multiplied by its reciprocal gives 1.
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4. Lowest Terms and Cancelling Factors

  • A fraction remains the same when its numerator and denominator are divided by the same common factor.
  • Reducing a fraction to lowest terms is called apavartana.
  • Common factors may be cancelled before multiplication.

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Full Notes

Key Concepts

A wholeTo multiply two fractionsThe area of a rectangle equalsIf the numerator and denominatorThe order of multiplication does not

Frequently Asked Questions

What are the important topics in Working with Fractions for CBSE Class 7 Mathematics?
Working with Fractions covers several key topics that are frequently asked in CBSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Working with Fractions — CBSE Class 7 Mathematics?
Understand the core concepts first, then work through the 43 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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