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Formula for Getting Sum

Created : 1996-12-31 Updated: 2001-06-12

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The way to get the sum of two rational numbers is as follows.
Firstly, for each expression of number we change it to an equivalent expression in such a way that their denominators become same.

Then we apply to them the formula of the sum of rational numbers with common denominators.

The formula of the sum of rational numbers with common denominators is explained as follows.

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