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scoobysfamily1 scoobysfamily1
  • 08-02-2015
  • Mathematics
Answered

How to get the greatest common of 45 and 81

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 08-02-2015

find the factors and get the ones common to both of them

45=3 times 3 times 5
81=3 times 3 times 3 times 3
so the factors common to both are 3 times 3 which is 9




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GraceTheGrape GraceTheGrape
  • 09-02-2015

You should draw a factor tree. It will help you a lot .

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