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Gemma says that,2x/5 + x/7 = 3x/12 Why is Gemma wrong? Work out the correct answer.
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Gemma says that,2x/5 + x/7 = 3x/12
Why is Gemma wrong?
Work out the correct answer.

User Dmitry Leskov
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You have to find the common denominator*

Gemma says that,2x/5 + x/7 = 3x/12 Why is Gemma wrong? Work out the correct answer-example-1
User Mukunda
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