alleryStart learning →Multiplying a fraction by its reciprocal gives a product of:
AThe numerator
BExactly one
CExactly zero
DExactly two
Answer & Solution
Correct answer: B. Exactly one
1. The reciprocal is defined by what the product comes to.
2. Reciprocals are upside-down versions of one another.
3. If we were to multiply these pairs of fractions, the product would be one.
4. That is why such pairs are called reciprocals.
_Source: OpenStax Prealgebra 2e (CC BY 4.0), Ch 4 'Fractions', sections 4.1-4.7_
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