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2012-10-13T15:19:46+02:00

198-54=144

144-54=90

90-54=36

54-36=18

36-18=18

18-18=0

 

PGCD(54;198)=18

 

54/198=54\frac{54}{198}=\frac{54/18}{198/18}=\frac{3}{11}