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if i had 1/17 pizza and my friend had 7/21 who would of had more?

 Apr 4, 2016
 #1
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+5

The least common denominator of 17 and 21 (the denominators above) is 357.

 

17 goes into 357 21 times, so you multiply 1 by 21 and get that you had 21/357.

21 goes into 357 17 times, so you multiply 7 by 17 abd get that your friend had 119/357.

 

Your friend had more.

 Apr 4, 2016
 #2
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thanks gretzu!

 Apr 4, 2016

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