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division

But why do we flip and multiply when dividing fractions?

|Education|2 Comments

division of fractionsBut why do we flip and multiply when dividing fractions?

I stumbled upon this blog today, and am pleased that someone out there in cyberspace has tackled this thorny issue.

The blogger says, “What is this sitution (sic) describing? This seems the one most difficult for teachers and students alike. We all know what it means to divide a length into (by?) two pieces, but what sense does it make to divide it into 1/2 a piece.”

The conclusion is: “dividing fractions is simply fractions which have fractions instead of integers in the numerator and denominator.”

Other ways of tackling this include those found at

http://www.mff.org/mmc/div_fractions.pdf

Do these approaches make it clearer for you?

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