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Chapter 5 - Operations on Rational Numbers - R D Sharma Solutions for Class 7

There are two cases:

Case 1: If the rational numbers have same denominators, then we will add as follows: pq+rq=p+rq

Case 2: If the rational numbers have different denominators, then first we will make the denominator positive and then make the denominations same by taking their LCM and then add using case 1.



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