Subtraction of Decimals
Last updated at July 25, 2026 by Teachoo
Addition and Subtraction of Decimals
Addition of Decimals
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Class 7 (Ganita Prakash 1, 2 & old NCERT)
Chapter 3 Class 7 - A peek beyond the Point (Ganita Prakash)
- 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
- Teachoo Questions - MCQs
- Teachoo Questions - Mix
- Teachoo Questions - Assertion Reasoning
- Teachoo Questions - Case Based
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Transcript
Subtraction of Decimal Numbers To subtract decimal, first we convert them into fractions and then we convert the final fraction into decimal. Subtract 2.76 from 3.8 2.76 from 3.8 3.8 ā 2.76 = 38/10 ā 276/100 = 38/10 Ć 10/10 ā 276/100 = ššš/ššš ā ššš/ššš = ((380 ā 276))/100 = 104/100 = 1.04 Subtract 9.398 from 34.65 9.398 from 34.65 34.65 ā 9.398 = 3465/100 ā 9398/1000 = 3465/100 Ć 10/10 ā 9398/1000 = ššššš/šššš ā šššš/šššš = ((34650 ā 9398))/1000 = 25252/1000 = 25.252
