Finding the Error in Subtracting Fractions

The video tutorial emphasizes the importance of checking the reasonableness of answers when subtracting fractions. It explains key terms like minuend, subtrahend, and difference, and demonstrates how to use benchmark fractions and estimation to verify the accuracy of subtraction equations. The lesson concludes by highlighting the use of benchmark fractions to ensure the correctness of fractional subtraction.

What conclusion can be drawn if the equation 9/10 - 3/5 = 7/10 is false?

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Explain how benchmark fractions can be used to verify subtraction equations.

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