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Katy wants to reduce 180/315, but she wants to do it in one step.

Which of the following is the greatest common factor that she should use to reduce this fraction?

5
45
9
30

Respuesta :

RonPayne
45 will go into both 180 and 315 to give you 4/7.
the best common factor is 45 because it's the biggest common factor

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