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Formula Sheet

Fractions — Formula Sheet

ICSE · Class 7 · Mathematics

10 formulas from Fractions (ICSE Class 7 Mathematics) on one page, grouped by topic. Part of the ICSE Class 7 Mathematics syllabus.

36 questions32 flashcards10 formulas & key relations5 concepts

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10 Entries · 4 Sections

Formulas and Key Relations

1. Basic Concepts

FRACTION = Numerator/Denominator

Fraction a/b = Whole number a / Natural number b (b≠0)

Rational number a/b = Integer a / Integer b (b≠0)

2. Types of Fractions

Mixed fraction = (Integral part × Denominator + Numerator) / Denominator

Cross-multiplication comparison rule: a/b > c/d if a×d > b×c; a/b < c/d if a×d < b×c; a/b = c/d if a×d = b×c

3. Reducing Fractions and Equivalent Fractions

Fraction value is unchanged when numerator and denominator are multiplied or divided by the same non-zero number

To reduce a fraction to lowest terms, divide both numerator and denominator by their HCF

4. Like and Unlike Fractions

Like fractions: same denominator

Unlike fractions: different denominators

LCM of denominators is used to make like fractions

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Frequently Asked Questions

What are the important topics in Fractions for ICSE Class 7 Mathematics?
Key topics in Fractions include Basic idea of fractions, Fraction and rational number, Types of fractions, Reducing fractions and equivalent fractions. Study these first, then practise questions on each for Class 7 exams.
How many formulas are in Fractions?
This sheet lists 10 formulas from Fractions, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Fractions for Class 7 exams?
Learn the core ideas first, then work through the 36 practice questions on Fractions. Revise 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.

More resources for Fractions

All ICSE Class 7 Mathematics Formula Sheet

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