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11/13
520/260 = 2 in simplest form
520/260 = 2
13 over 25
52/455
13/25
It is: 4/7
6/13
260/500 = 13x20/25x20 = 13/25
It is: 260/468 = 5/9
130/260 = 1/2
The GCF is 20.
Male's 260, females 220