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What is the advantage of multiplying both sides of the equation by the least common multiple of the denominators in the first step?

What is the advantage of multiplying both sides of the equation by the least common multiple of the denominators in the first step?
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what is the advantage of multiplying both sides of the equation by the least common multiple of the denominators in the first step?

User Jiyda Moussa
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1 Answer

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Well thats a rule, but what do you mean? When adding or multiplying fractions we need to have the same common denominator. 
User Mohamed Gaber
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