How to Subtract Two Rational Numbers: Step-by-Step Guide

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Rational Numbers

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The set of Rational numbers is represented by the letter "Q."

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Subtraction of Rational numbers

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Case 1 When the rational numbers have the same denominator

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Example

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Case 2 When the rational numbers have a different denominator.

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Express each rational number with a common denominator, which is the L.C.M of the denominators

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Standard Form of a Rational Number

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Example of Standard Form of a Rational Number

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Let's solve a question based on case 2

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