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in Mathematics by (15.0k points)

Is 8/9 the multiplicative inverse of -1 1/8? Why or why not?

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If it is the multiplicative inverse, then the product should be 1. However, here, the product is not 1 as

8/9 x (-1 1/8) = 8/9 x (-9/8) = -1 ≠ 1

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