What is #12/15 * 3/4#?

1 Answer
MeneerNask
Apr 5, 2016

You may turn this into #(12xx3)/(15xx4)#

Explanation:

#=36/60#

You may simplify this by realizing that
#36=6xx6# and #60=6xx10#
#=(cancel6xx6)/(cancel6xx10)=6/10#

Then because #6=2xx3# and #10=2xx5#:
#=(cancel2xx3)/(cancel2xx5)=3/5#

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