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# RD Sharma Solutions - Ex-5.1, Operations On Rational Numbers, Class 7, Math Class 7 Notes | EduRev

## Class 7 : RD Sharma Solutions - Ex-5.1, Operations On Rational Numbers, Class 7, Math Class 7 Notes | EduRev

The document RD Sharma Solutions - Ex-5.1, Operations On Rational Numbers, Class 7, Math Class 7 Notes | EduRev is a part of the Class 7 Course RD Sharma Solutions for Class 7 Mathematics.
All you need of Class 7 at this link: Class 7

Q1. Add the following rational numbers:

Q2. Add the following rational numbers:

are two rational numbers such that q and s do not have a common factor

are two rational numbers such that q and s do not have a common factor

LCM of 27 and 18 is 54

Q3. Simplify

LCM of 9 and 6 is 18

LCM of 16 and 24 is 48

LCM of 12 and 15 is 60

LCM of 19 and 57 is 57

Q4. Add and express the sum as a mixed fraction:

LCM of 5 and 10 is 10

LCM of 7 and 4 is 28

LCM of 6 and 8 is 24

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