1. If 9/11 multiplied by its reciprocal 11/9 or 1 2/9, what would be the product?
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2. What is the missing term in this number sentence? 2 6/7 x _______ = 1
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3. Which of these numbers is the missing term in 1/17 x _______ = 1 ?
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4. What is the missing term in this number sentence? 10 1/2 x _______ = 1 ?
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5. All of the number sentences below prove that multiplying a fraction by its reciprocal is equal to 1 EXCEPT.
A. 13/11 x 11/13 = 1
B. 1 3/11 x 11/14 = 1
C. 4 3/10 x 43/10 = 1
D. 2 1/3 x 3/7 = 1​