what is 5/6 +5 -4/8= i am lost with that

- anonymous

what is 5/6 +5 -4/8= i am lost with that

- Stacey Warren - Expert brainly.com

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- anonymous

yes it is

- sandra

ok so first let's try reducing the individual parts, e.g. -4/8 = -1/2

- sandra

so now you want to find the lowest common denominator for 5/6, 5, and -1/2

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## More answers

- sandra

to me that looks like 6

- sandra

so now you want to convert everything to sixths so you can add them up

- sandra

so 5/6 is done

- sandra

5 = 5*6/6 = 30/6

- sandra

and -1/2 = -1/2 * 3/3 = -3/6

- sandra

so now let's add it up: 5/6 +30/6 -3/6 = (5+30-3)/6 = 32/6

- sandra

now you want to reduce that fraction, so again we need a common divider

- sandra

looks like the only common divisor is 2

- sandra

so 32/6 = 16/3

- sandra

now if you want to , you can change that into a mixed fraction

- sandra

so 16/3 = 15/3 + 1/3 = 5 and 1/3

- anonymous

ok i am back

- sandra

hey! wb

- sandra

did that make sense?

- anonymous

srry my cumputer is giving me problemes agine yes it did thanx

- sandra

ok great =)

- sandra

the basic point is, anything x 1 = the same thing

- sandra

so you can always multiple by various forms of 1 to get a common denominator

- anonymous

ok

- 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

to get 30/6 and -3/6

- sandra

to reduce fractions, you're still essentially multiplying by 1

- sandra

so to reduce 32/6, I divided both the top and bottom by 2

- anonymous

how dothen do u flip it

- anonymous

sorry then do u flip it

- sandra

so how do you mean flip it

- sandra

reducing fractions is still multiplying (or dividing if you will) by 1

- sandra

just you're making the numbers smaller instead of bigger

- 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

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

oh ok that make senc

- anonymous

i am not good at math

- sandra

it's ok, nobody starts out good at math. takes lots of practice and not giving up on it

- sandra

so let's do another example: reduce 48/12

- anonymous

ok

- sandra

your thought process should be: "what is the biggest number that evenly divides into both the top and the bottom"

- sandra

and then do that

- sandra

and it's ok if you don't know off the top of your head what the biggest number is

- sandra

that also comes with practice

- 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

so go ahead and try to reduce 48/12

- sandra

I'll do a first step

- 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

ok that is what i got to

- 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

that process is called reducing

- anonymous

i am geting so made at my comeputer right know

- anonymous

if i log out agine i will get back on ok it is my computer

- sandra

ok np

- anonymous

we can divide 2 in to 24 and 6

- anonymous

oh nvm not six

- anonymous

and if it seems i am not i am i just in a livsseion i go to flvs

- anonymous

but i will tell you be for i go tho ok

- sandra

kk, well you were actually right - you *can* divide both 24 and 6 by 6 =)

- sandra

so I would do that

- anonymous

it would come ou to be 4/1

- anonymous

i think not sure tho

- sandra

you're right =) . and 4/1 is actually 4

- sandra

good work =)

- sandra

so how would you check to see if you're right?

- sandra

an easy way to check is with a calculator

- sandra

is 48/12 = 4/1 = 4?

- anonymous

ok thanx you vary much

- sandra

no problem!

- 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

and that's because you're *Actually* just multiplying by 1

- anonymous

ok the way my techer did it was confusing

- sandra

and anything times 1 is the same exact thing, just written in a different way

- 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

for that, you can always divide both the top and bottom by the same thing, to get an equivalent fraction

- anonymous

know with that rule does it count with 0 to

- sandra

since in reality, you're just dividing tat number by 1

- sandra

and anything divided by 1 is the same thing, just written in a different way

- sandra

well, you can't divide by 0

- sandra

or else the world explodes =)

- anonymous

ok @};-

- anonymous

is open study only for math

- sandra

that I know of

- sandra

well, I think there's another UI they have

- sandra

but that's over at openstudy.com, and I don't think the logins are shared

- sandra

I like this one more

- anonymous

ok i think it should make it for all subjegs but i guess it dos not relly matter tho

- sandra

what else are you taking?

- anonymous

i am taking teck math langue arts chess and on the side i am lourning chines japens spanish french

- anonymous

i mean tech for cumputers

- anonymous

nehow

- anonymous

means hello in chines

- anonymous

2 to 4 i have a chess compition

- sandra

oh awesome =)

- sandra

that's a lot!

- 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

my friend is in 8th he deos not know anthing but it is also the pareints to not all on the schools

- anonymous

the schools can only teach so much in won day and they can not stay on won topec for long

- 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

even if you relis it or not

- sandra

haha yeah agree, it's definitely really useful in the end

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