what are 5 fractions for 75%

- anonymous

what are 5 fractions for 75%

- schrodinger

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- anonymous

hello?

- sandra

hello

- sandra

well, ok, will start you off, what is 75%?

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## More answers

- sandra

as a fraction

- sandra

trust me - I know you want to get this done, but it will be much faster to learn it

- anonymous

2 out of 3?

- sandra

well, so when you see a %, you can start by thinking how many out of a 100

- sandra

so 75% is 75/100

- anonymous

wait wait 3 out of 4

- sandra

so if I say 75% of people love fractions, exactly!

- sandra

yes 3/4 is 75%

- sandra

and by definition, 75/100 is 75%

- sandra

so you can follow the same strategy as before

- sandra

you can either start at 75/100 and reduce

- sandra

by reduce I mean you can evenly divide both the top and bottom by the same number

- sandra

or you can start at 3/4 and multiply

- anonymous

ok

- sandra

so go ahead and try, and I'll check it for you

- sandra

but on a conceptual level - 75% basically means out of say 100 people, 75 people will do X

- anonymous

wait what do i multiply

- sandra

well, just like last time, you started with 2/3

- sandra

and multiplied it by 2/2-6/6

- sandra

you can start at 3/4, and multiply by 2/2 - 6/6

- sandra

now the reason you can do this, is because 2/2, 3/3, 4/4, 5/5, 6/6, they're all actually equal to 1

- anonymous

k

- sandra

and multiplying ANYTHING by 1, gets the same basic thing (hence "equivalent")

- sandra

so you're really just multiplying by 1 in different but "equivalent" ways

- anonymous

1.6/8

- sandra

correct

- anonymous

yay

- sandra

=)

- anonymous

um so the next one would be 3/4 and 3/3

- sandra

hmmm, well, those are not equal to 1

- sandra

3/4 is 75%

- sandra

or .75

- sandra

it's only equivalent if you multiply the original fraction by 1

- sandra

since 2x1 = 2, 3x1 = 3 etc... anything multiplied by 1 = 1

- sandra

now fraction wise, the definition of "1" is something divided by itself

- sandra

so 1/1, 2/2, 3/3, 4/4, 5/5....

- sandra

those are all equal to 1

- sandra

and so if you multiple the original fraction by any of those, you'll have an equivalent fraction (since you've just multiplied by 1)

- sandra

but it may look different, since there are bigger numbers on the top and the bottom

- sandra

so the first one you did was correct, you multiplied by 2/2

- sandra

now you want to multiply by 3/3 and on

- anonymous

so i multiply 3/4 and 3/3

- sandra

oh sorry lol

- sandra

I was still stuck on the last question

- sandra

which was 2/3

- sandra

yes!

- sandra

you are in fact right haha

- sandra

sorry =)

- anonymous

its ok

- anonymous

9/12!

- sandra

yes! =)

- anonymous

yay

- sandra

and ps, you can check these by plugging them into your calculator

- anonymous

3/4 and 4/4

- sandra

75% can also be written as .75

- sandra

because 75/100 is .75

- sandra

(move the decimal places two to the left)

- sandra

so every fraction you give me, if you put it in your calculator and divide, should equal .75

- anonymous

the next answer is 12/16

- sandra

correct =)

- anonymous

wow lol=)

- sandra

so if you divide 12 by 16 in your calculator, you will get .75

- anonymous

thats incredible

- sandra

it makes a lot of sense once you practice =). and that's when math starts getting fun - once it finally makes sense

- sandra

so keep going =)

- anonymous

ok

- anonymous

15/20!!!

- sandra

mhmm =)

- sandra

good work!

- anonymous

ok now can u help me with 60%

- sandra

ok sure, and it's important you learn the other side of fractions, reduction

- sandra

meaning you start with a big fraction, and then reduce it to equivalent fractions (make the numbers smaller)

- sandra

so 75% - we said a basic definition of that is 75/100

- sandra

as in if 75% of people like football, 75/100 people like football

- sandra

so what is 60%?

- anonymous

3/5
is 60%

- sandra

that is definitely true =)

- sandra

ok so let's do this systematically

- sandra

65% is the same thing as .65

- sandra

sorry lol

- sandra

60% is the same thing as .6

- sandra

which is the same thing as .6/1

- sandra

ok but that's not even numbers

- sandra

but remember what we can do to fractions to get equivalent fractions

- sandra

multiply by 1

- sandra

so in this case, we want to get rid of the decimal place

- sandra

since fractions don't have decimals (in this context)

- sandra

so let's multiple by 10/10

- anonymous

ok

- sandra

which will move each decimal point by one place (since it's one zero in 10)

- anonymous

you know i owe you big time for this

- sandra

it's ok! I've been there, just learned this last year

- sandra

so .6/1 x 10/10 = (.6 x 10)/ (1 x 10)

- sandra

so we know that 60% - which is the same thing as .6 , actually equals 6/10

- anonymous

what year of high school are you in i just started junior year

- sandra

you can use that system to turn *any* % into a fraction

- sandra

I'm a Sr.!

- anonymous

awesome

- sandra

basically multiple by some power of 10, to get rid of the decimals, and you have the equivalent fraction

- sandra

so .6/1 x 10/10 = 6/10

- sandra

so we know that 6/10 is one equivalent fraction to .6

- sandra

if you put it in the calculator, you will see that it's true

- sandra

so now that you know 60% is 6/10, you can use the same system (multiplying by 1), to get five equivalent fractions

- anonymous

wow your right

- sandra

so as a side note before returning to the question, here are a few more examples:

- sandra

63% = .63/1 . well, we would need to multiple by 100/100 just so .63 doesn't have a decimal

- sandra

so .63/1 x 100/100 = 63/100

- sandra

so now you know that 63% is also .63, but also the fraction 63/100

- sandra

anyway so back to the question: you now know that 60% = 6/10

- anonymous

OMG it my curfiew gotta go lets start a session tomorrow around 5:00!!!!!!!!!

- sandra

ok =) I'll be around here probably 5 or 6. what timezone lol?

- sandra

west coast?

- anonymous

pm

- sandra

oh I meant, are you west coast or east coast, since your 5pm may be my 8pm

- anonymous

what city u live in

- anonymous

lol

- sandra

atlanta, georgia

- anonymous

louisville,kentucky

- sandra

ok cool =)

- sandra

well I'll be around tomorrow evening too then

- anonymous

bye bffl

- sandra

ok! yep ttytm!

- sandra

=) and ty

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