How do you multiply #\frac { 1} { 2} \cdot \frac { 14} { 5} \cdot \frac { 10} { 7}#?

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Answer 1 · 2017-06-10T21:02:29

#2#

#1/2 xx 14/5 xx 10/7" "larr# cancel the numbers:

#=1/cancel2 xx cancel14^2/cancel5 xx cancel10/cancel7#

#(14div 7 =2 and 2xx5=10)#

#=2#

If you do not cancel to simplify first, you end up with much bigger numbers:

#140/70#

In this case the fraction is easy to simplify to #2#