1/2 is simplest form. Both 13 and 26 are factors of 13. 13 times 1 is 13 and 13 times 2 is 26. So 13/26 = 1/2.
The simplest form of 26 13 is 2 1 . This is achieved by dividing both the numerator and the denominator by their greatest common factor, which is 13. Therefore, 26 13 simplifies to 2 1 .
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