Pre-algebra

I don't understand this. Can you do some examples?
One student had the following way of dividing fractions. First the student renamed the two fractions with a common denominator. Then the student ignored the denominators and just divided the numerators to obtain the answer. Does this method work? Try it on enough examples to form a conclusion about whether it always, sometimes, or never works.
Please show work

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asked by Alex
  1. Renaming fractions:

    1/2 / 1/4 = 2/4 / 1/4

    Divide numerators:

    2 / 1 = 2

    That seems to be what your question is asking.

  2. Like 4/1=4 its the same thing but on both sides

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    posted by Nicole

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