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Dividing a Polygon by another Polygon Using the Union Tool

Question asked by saad_humaid on Aug 31, 2016
Latest reply on Sep 5, 2016 by patel1684

Hi Guys,

I am trying to divide polygons by polygons using the union tool, however, I noticed that there are extra areas that I am getting at the end of the are the steps that I am following

Here are my two original layers: (Paving polygons in green and Plots in purple)




I used the Union  tool






In the attribute table of the output dataset, I deleted the (-1) from the FID_Polygon



and here you can see the outcome, there are extra polygons (paving) that were not part of the original polygons




as highlighted below 


VS. How it looked like before the Union 



Any suggestions/solutions to avoid having extra polygons when using the union tool?



Thank you