Divide two fractions View form Shape

Dec 2016
2
0
iran
Hi
Please explain to me how it can be divided two fractions, Display form shape
like this:

thanks
 

romsek

Math Team
Sep 2015
2,690
1,489
USA
I think the easiest way to remember it is

$\dfrac a b \div \dfrac c d = \dfrac a b \times \dfrac d c$

multiply the dividend by the reciprocal of the divisor

ضرب سود سهام توسط متقابل از مقسوم علیه
 
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Country Boy

Math Team
Jan 2015
3,261
899
Alabama
Or: to divide one fraction by another invert the divisor and multiply.
 
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Dec 2016
2
0
iran
thanks
Please explain this type of division by shape
 

Denis

Math Team
Oct 2011
14,592
1,026
Ottawa Ontario, Canada
No matter what fancy diagrams are drawn:
2/5 / (3/4) = 2/5 * 4/3 = 8/15
 
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Denis

Math Team
Oct 2011
14,592
1,026
Ottawa Ontario, Canada
Romsek, you'ze indeed the "Renoir Of Fractions" :)