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Like and Unlike Fractions
Last updated at June 9, 2025 by Teachoo
Class 7 (Ganit Prakash)
Chapter 3 Class 7 - A peek beyond the Point (Ganita Prakash)
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Fractions - Quick Revision
- Need for a smaller unit
- Tenth
- Hundredth
- Figure it out - Page 58
- Decimals
- Fractions to Decimals
- Reading and Writing Decimals
- Unit Conversion - Weight, Length, Money
- Decimal in number line
- Finding greater decimal
- Closest decimal
- Addition and Subtraction of Decimals
- Decimal Sequences
- Estimating Sums and Differences
- More on Decimal System
- Figure it out - Page 78, 79, 80
Transcript
Like & Unlike fractionsLike fractions are those fractions where denominators are same Eg : 1/3, 2/3, 4/3, 8/3 are like fractions 2/9, 4/9, 6/9, 8/9 are like fractions Unlike fractions are those fractions where denominators are different. Eg : 1/2, 1/3, 1/5, 1/8 are unlike fractions Comparing like fractionsLike fractions are those fractions where denominators are same Eg : 1/3, 2/3, 4/3, 8/3 are like fractions How do we know which one is bigger? The fraction where numerator is greater, that fraction is bigger 1/3 < 2/3 < 4/3 < 8/3 Adding & Subtracting Like FractionsLike fractions are those fractions where denominators are same Eg: 1/3, 2/3, 4/3, 8/3 2/9, 4/9, 6/9, 8/9 Add 𝟏/𝟑 & 𝟒/𝟑 1/3 + 4/3 Since denominator is same, we add numerators = (1+ 4)/3 = 5/3 Subtract 𝟐/𝟗 from 𝟔/𝟗 6/9 − 2/9 Since denominator is same, we subtract numerators = (6 − 2)/9 = 4/9
