Posted by julia on Saturday, November 10, 2012 at 2:43pm.
what is the reciprocal of 3 5/7

math  Steve, Saturday, November 10, 2012 at 3:15pm
3 5/7 = 26/7, so the reciprocal is 7/26
using mixed numbers like this is stupid, in my opinion. No one will ever ask such a question in a real problem. You will be asked to find reciprocals of fractions, integers, decimals, etc., but it makes little sense to ask for the reciprocal of a mixed number. Can't do it without changing it to a fraction or decimal first.
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