Mathematics 9 Online
OpenStudy (anonymous):

how would i simplify 55% in two a fraction

OpenStudy (anonymous):

in its simplest form

So first off, what is it in its non-simplified form?

OpenStudy (anonymous):

55 over a 100

Exactly. Do you see something that you can divide evenly into both 55 and 100?

OpenStudy (anonymous):

5

Right. What is 55 / 5, and what is 100 / 5?

OpenStudy (anonymous):

11 and 20

OpenStudy (anonymous):

11 over 20

OpenStudy (anonymous):

what would be the simplest form of 11 over 20

That is the simplest form, unless you can find something that divides evenly into both 11 and 20.

(You won't, because 11 is prime, which means that nothing divides evenly into it except for 1 and 11, and 11 does not divide evenly into 20)

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

what about 75% as a fraction in simplest form

OpenStudy (anonymous):

75 over 100

Right. So what divides evenly into those two?

OpenStudy (anonymous):

5

Ok, so divide those two by 5 and see what you get.

OpenStudy (anonymous):

15 over 20

Right. Is there something that divides evenly into those two?

OpenStudy (anonymous):

5

OpenStudy (anonymous):

so it would be 3 over 4

Exactly :)

OpenStudy (anonymous):

okay um what about i 140%

OpenStudy (anonymous):

sorry did not mean to put i in there

OpenStudy (anonymous):

so it would be 1 and 40 over 100 right

OpenStudy (anonymous):

and 10 can go into 40 and 100 so i would divide it by that right

OpenStudy (anonymous):

so it would be 4 over 10 then i would add the 1 then i would be 1 and 4 over 10

Right. That's in mixed number form. If you want an improper fraction, then 1 is the same as 10/10, so it would be 14/10.

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

so 175% would be 1 and 75 over 100 and divide that bye 5 which would equal to 1 and 3 over 4 right

Right on :)

OpenStudy (anonymous):

okay i think i got a hang of it thank you very much:)

OpenStudy (anonymous):

well gtg bye

Cool. Good to hear :)

OpenStudy (anonymous):

umm sorry but what about 24%

OpenStudy (anonymous):

it would equal to 24 over 100 divided by 2

OpenStudy (anonymous):

by 4

Right.

OpenStudy (anonymous):

okay good

OpenStudy (anonymous):

6 over 25 is that simplified

OpenStudy (anonymous):

never mind

It looks like it.

OpenStudy (anonymous):

what would dived by to equal 92

OpenStudy (anonymous):

what would i divide by to get 92

Um. What do you mean? 92 / 100?

OpenStudy (anonymous):

yes sorry

No problem :) 2 seems like a good fit. Remember all even numbers are divisible by 2.

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

so it would be 42 right

92/2 is 46. So you have 46 / 50. Can you divide that again?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

by 2

Right. So divide it by 2 again.

OpenStudy (anonymous):

so it would be 23 over 25

Exactly :)

OpenStudy (anonymous):

good

OpenStudy (anonymous):

what does 2 divided by 100 equal

You can divide both by 2 again, right?

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

OpenStudy (anonymous):

well i have 9 over50 would that be right

OpenStudy (anonymous):

divide it by 2 again

OpenStudy (anonymous):

which would equal 4 over 25 right

Wait, 9 over 50?

OpenStudy (anonymous):

oh that is the right answer okay

9 is not evenly divisible by 2, only by 3.

Right :)

OpenStudy (anonymous):

shadow u saw my new question

OpenStudy (anonymous):

37 over 100 which would equal 37 over 50 right

Hm. What did you divide by to get that?

OpenStudy (anonymous):

wait hold on

OpenStudy (anonymous):

2

You divided 100 by 2, but not 37.

OpenStudy (anonymous):

umm it would be 74 / 2 equals 2 right

OpenStudy (anonymous):

sorry i meant to say 74 over 100 sorry

OpenStudy (anonymous):

so it would equal 37 over 50 right

Ok, yeah, in that case that's right.

OpenStudy (anonymous):

okay good

OpenStudy (anonymous):

what would i multiply by if it was 43 over 100

Nothing. That's already as simple as it can get.

OpenStudy (anonymous):

so that is simplified as a percent into a fraction

Sure.

OpenStudy (anonymous):

okay good

OpenStudy (anonymous):

how would i write a fraction as a percent like 4 over 5 what would that be as a percent

So the trick here is that you want 5 to turn into 100. What do you have to multiply 5 by to get 100?

OpenStudy (anonymous):

20

So the trick here is that you want 5 to turn into 100. What do you have to multiply 5 by to get 100?

Whoops, sorry.

Right, so multiply the top and bottom by 5 and you get?

OpenStudy (anonymous):

20 over 100

So you have 4/5. If you multiply 4 by 20 you get 20?

OpenStudy (anonymous):

80 over 100

OpenStudy (anonymous):

3 over 20 what would i multiply that by?

What do you need to multiply 20 by to get 100?

OpenStudy (anonymous):

so i would multiply that by 5

Right, top and bottom.

OpenStudy (anonymous):

okay i got 15 over 100

Right :)

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