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is 5/9 bigger than 7/12

 Nov 12, 2014

Best Answer 

 #2
avatar+33661 
+5

Multiply the top and bottom of 5/9 by 12 and the top and bottom of 7/12 by 9 to get:

 

5*12/(9*12)   and  7*9/(12*9)

 

The bottom of both are now the same, so just compare the tops, which are:

 

5*12 = 60  and 7*9 = 63

 

5*12 is smaller than 7*9 so 5/9 is smaller than 7/12

.

 Nov 12, 2014
 #1
avatar+831 
0

7/12 is bigger

 Nov 12, 2014
 #2
avatar+33661 
+5
Best Answer

Multiply the top and bottom of 5/9 by 12 and the top and bottom of 7/12 by 9 to get:

 

5*12/(9*12)   and  7*9/(12*9)

 

The bottom of both are now the same, so just compare the tops, which are:

 

5*12 = 60  and 7*9 = 63

 

5*12 is smaller than 7*9 so 5/9 is smaller than 7/12

.

Alan Nov 12, 2014

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