# RATL 2 | Lesson 4 | Solutions (Fraction Computation Review)

Solutions:

a) needs a common denominator; cross multiplication could be used to find numerators if the product of the denominators is used as the common denominator

b) needs a common denominator; cross multiplication could be used to find numerators if the product of the denominators is used as the common denominator

c) neither

d) cross multiplying is one option for finding the answer

e) cross multiplying is one option for finding the answer

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