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Why can you use fraction multiplication to check the answer to a fraction division problem? How do you use multiplication to check a division problem?

User Ivanleoncz
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2 Answers

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Ex. if your problem is 2/3 ÷ 6/1 you would keep the first fraction the same, change division to multiplication and flip the second fraction
2/3×1/6
Hint: KCC (Keep, change, change)
User FARcRY
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Answer:

Division and multiplication are inverse operations. This means they "undo" each other. You can check your answer by multiplying the quotient by the divisor. You should get the dividend.

Check all that you included in your response.

Δ Multiplication and division are inverse operations.

Δ Multiplication “undoes” division.

Δ Verify by multiplying the quotient by the divisor to get the dividend.

You Can Check All

Espero que isto ajude!

Means Hope This Helps! In Portuguese

User Phil Price
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