Question

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?

Answer 1

Hello,

315=1*180+135
180=1*135+45
135=3*45+0
GCF(315,180)=45
180/315=4*45/(7*45)=4/7