anonymous
  • anonymous
what is 5/6 +5 -4/8= i am lost with that
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
yes it is
sandra
  • sandra
ok so first let's try reducing the individual parts, e.g. -4/8 = -1/2
sandra
  • sandra
so now you want to find the lowest common denominator for 5/6, 5, and -1/2

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sandra
  • sandra
to me that looks like 6
sandra
  • sandra
so now you want to convert everything to sixths so you can add them up
sandra
  • sandra
so 5/6 is done
sandra
  • sandra
5 = 5*6/6 = 30/6
sandra
  • sandra
and -1/2 = -1/2 * 3/3 = -3/6
sandra
  • sandra
so now let's add it up: 5/6 +30/6 -3/6 = (5+30-3)/6 = 32/6
sandra
  • sandra
now you want to reduce that fraction, so again we need a common divider
sandra
  • sandra
looks like the only common divisor is 2
sandra
  • sandra
so 32/6 = 16/3
sandra
  • sandra
now if you want to , you can change that into a mixed fraction
sandra
  • sandra
so 16/3 = 15/3 + 1/3 = 5 and 1/3
anonymous
  • anonymous
ok i am back
sandra
  • sandra
hey! wb
sandra
  • sandra
did that make sense?
anonymous
  • anonymous
srry my cumputer is giving me problemes agine yes it did thanx
sandra
  • sandra
ok great =)
sandra
  • sandra
the basic point is, anything x 1 = the same thing
sandra
  • sandra
so you can always multiple by various forms of 1 to get a common denominator
anonymous
  • anonymous
ok
sandra
  • sandra
so in the above, since I decided we needed a 6 on the bottom of all the fractions (common denominator), I multiplied 5 by 6/6 , and -1/2 by 3/3
sandra
  • sandra
to get 30/6 and -3/6
sandra
  • sandra
to reduce fractions, you're still essentially multiplying by 1
sandra
  • sandra
so to reduce 32/6, I divided both the top and bottom by 2
anonymous
  • anonymous
how dothen do u flip it
anonymous
  • anonymous
sorry then do u flip it
sandra
  • sandra
so how do you mean flip it
sandra
  • sandra
reducing fractions is still multiplying (or dividing if you will) by 1
sandra
  • sandra
just you're making the numbers smaller instead of bigger
anonymous
  • anonymous
32 is on top then 6 is on the bottem you flip it to were the 6 is on top and the 32 is on the bottem
sandra
  • sandra
in reality, it's easiest to think "if I divide both the top and bottom of the fraction by the same thing, it will still be equivalent"
anonymous
  • anonymous
oh ok that make senc
anonymous
  • anonymous
i am not good at math
sandra
  • sandra
it's ok, nobody starts out good at math. takes lots of practice and not giving up on it
sandra
  • sandra
so let's do another example: reduce 48/12
anonymous
  • anonymous
ok
sandra
  • sandra
your thought process should be: "what is the biggest number that evenly divides into both the top and the bottom"
sandra
  • sandra
and then do that
sandra
  • sandra
and it's ok if you don't know off the top of your head what the biggest number is
sandra
  • sandra
that also comes with practice
sandra
  • sandra
but you at least know in the above case, since bot the top and bottom are even, you can divide both of them by 2
sandra
  • sandra
so go ahead and try to reduce 48/12
sandra
  • sandra
I'll do a first step
sandra
  • sandra
48/12 = (48/2) / (12/2) = 24/6. I know that's true because I divided by 2/2, which is 1, and anyting divided by 1 = itself
anonymous
  • anonymous
ok that is what i got to
sandra
  • sandra
ok, now the next question you should ask yourself is if there is another number you can divide 24/6 by to get a smaller fraction - by smaller I mean smaller numbers on the top and bottom
sandra
  • sandra
that process is called reducing
anonymous
  • anonymous
i am geting so made at my comeputer right know
anonymous
  • anonymous
if i log out agine i will get back on ok it is my computer
sandra
  • sandra
ok np
anonymous
  • anonymous
we can divide 2 in to 24 and 6
anonymous
  • anonymous
oh nvm not six
anonymous
  • anonymous
and if it seems i am not i am i just in a livsseion i go to flvs
anonymous
  • anonymous
but i will tell you be for i go tho ok
sandra
  • sandra
kk, well you were actually right - you *can* divide both 24 and 6 by 6 =)
sandra
  • sandra
so I would do that
anonymous
  • anonymous
it would come ou to be 4/1
anonymous
  • anonymous
i think not sure tho
sandra
  • sandra
you're right =) . and 4/1 is actually 4
sandra
  • sandra
good work =)
sandra
  • sandra
so how would you check to see if you're right?
sandra
  • sandra
an easy way to check is with a calculator
sandra
  • sandra
is 48/12 = 4/1 = 4?
anonymous
  • anonymous
ok thanx you vary much
sandra
  • sandra
no problem!
sandra
  • sandra
so just remember - you can always multiply the top and the bottom by the same thing, to get an equivalent fraction. that's useful for getting a common denominator to make adding/subtracting fractions easier
sandra
  • sandra
and that's because you're *Actually* just multiplying by 1
anonymous
  • anonymous
ok the way my techer did it was confusing
sandra
  • sandra
and anything times 1 is the same exact thing, just written in a different way
sandra
  • sandra
now when you're "reducing" fractions, all you're trying to do is get the top and bottom numbers as small as possible
sandra
  • sandra
for that, you can always divide both the top and bottom by the same thing, to get an equivalent fraction
anonymous
  • anonymous
know with that rule does it count with 0 to
sandra
  • sandra
since in reality, you're just dividing tat number by 1
sandra
  • sandra
and anything divided by 1 is the same thing, just written in a different way
sandra
  • sandra
well, you can't divide by 0
sandra
  • sandra
or else the world explodes =)
anonymous
  • anonymous
ok @};-
anonymous
  • anonymous
is open study only for math
sandra
  • sandra
that I know of
sandra
  • sandra
well, I think there's another UI they have
sandra
  • sandra
but that's over at openstudy.com, and I don't think the logins are shared
sandra
  • sandra
I like this one more
anonymous
  • anonymous
ok i think it should make it for all subjegs but i guess it dos not relly matter tho
sandra
  • sandra
what else are you taking?
anonymous
  • anonymous
i am taking teck math langue arts chess and on the side i am lourning chines japens spanish french
anonymous
  • anonymous
i mean tech for cumputers
anonymous
  • anonymous
nehow
anonymous
  • anonymous
means hello in chines
anonymous
  • anonymous
2 to 4 i have a chess compition
sandra
  • sandra
oh awesome =)
sandra
  • sandra
that's a lot!
anonymous
  • anonymous
yea but in reality i should lour alot more cuz i mean i am not big on politics but ii do know alot about how most school seystem r laking on some eguoction
anonymous
  • anonymous
my friend is in 8th he deos not know anthing but it is also the pareints to not all on the schools
anonymous
  • anonymous
the schools can only teach so much in won day and they can not stay on won topec for long
anonymous
  • anonymous
i am not going to lie i use to be won of thos kide who were like when am i ever going to use any of this stuff but in reality u use it all the time
anonymous
  • anonymous
even if you relis it or not
sandra
  • sandra
haha yeah agree, it's definitely really useful in the end

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