Posted by Lourane on Tuesday, February 12, 2013 at 4:16pm.
Find the missing number
2/5 = /20
could you explain the steps I take to find the answer

math 4th grade  Alyonka, Tuesday, February 12, 2013 at 4:19pm
you need to divide 5 by 20.
Then with the number that you get you multiply 2 (the numerator).
That is your answer.
The reason that you take those steps is because whatever you do to the denominator you have to do to the numerator.

math 4th grade  ravi butthole, Tuesday, February 12, 2013 at 4:23pm
5*4 = 20 which is your denominator. Then, you take the numerator(2) and multiply that by four because whatever you do to the bottom, you do to the top. 2*4= 8. The answer is 8/20 which simplifies to 2/5.

math 4th grade  dariga, Thursday, April 25, 2013 at 5:26pm
5 and 20 are dinominators
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