hi will you guys help me with this please this is the exercises and i can figured out what to do 5/10 = / 4/16
i think it has something to do with having the same common denometer?
did that help you?
alright chris first you are looking for a fraction... let's name this fraction X
whenever you are trying to find an answer name it a variable this will help you solve the problem
so you'll get \[\frac{5}{10}=\frac{x}{\frac{4}{16}}\]
so far do you understand?
chris?
yes
alright so do you know how to simplify the right side?
yes
alright so what would you do
to get rid of the fraction in the denominator
so the simplify fraction is 1/2
\[\frac{x}{\frac{4}{16}}=\frac{x}{1}*\frac{16}{4}\]
do you know this property?
i dont get it for real not really this was never explained to me really thank you dude
the division of a numerator and a fraction denominator is the same as the multiplication of it's reciprocal denominator
so say you have something like\[\frac{\frac{a}{b}}{\frac{c}{d}}=\frac{a}{b}*\frac{d}{c}\]
make sense?
yes i do get that but in this case i have to find the fraction that divided by 4/16 will be equal to 5/10 is not lkike find the answer i do know how to divided a fraction but this is kind of tricki
in this case x is not a fraction but you can make it a fraction by putting it over a one \[\frac{x}{1}=x\]
well we haven't finishd yet haha i gurantee that we will find the answer
ok
\[\frac{5}{10}=\frac{16x}{4}\]
all i did was multiply the right side out . See?
you multipy by 1
So i used that rule to get rid of the fraction in the denominator \[\frac{5}{10}=\frac{\frac{x}{1}}{\frac{4}{16}}=\frac{x}{1}*\frac{16}{4}=\frac{16x}{4}\]
alright?
or do you still not understand how that property works?
and yes it is known as multiplying by one
yes but in the exercises my teacher wrote like this 5/10= / 4/16
|dw:1337635619655:dw|
Join our real-time social learning platform and learn together with your friends!