What is the definition of equivalent fractions using cross products?
QUESTION
What is the rule for simplifying ba by dividing by a common factor k?
QUESTION
What is the rule for creating an equivalent fraction from ba using a nonzero integer k?
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ANSWER
Multiply: ba=b⋅ka⋅k for k=0. Multiplying both the numerator and denominator by the same nonzero integer k preserves the value of the fraction, creating an equivalent one.