Help with word problems??

- anonymous

Help with word problems??

- Stacey Warren - Expert brainly.com

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- chestercat

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- anonymous

I need second opinions on my answers :)

- anonymous

And if i get it wrong i want explaining

- anonymous

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- anonymous

Im really bad at this XD

- welshfella

2 1/4 divided by 9

- anonymous

Okay

- welshfella

Hint turn 2 1/4 to an improper fraction then multiply by 1/9

- anonymous

wait do we do 2+1=3 then 3*4 which is 12/4 / 9 right

- anonymous

Ya XD

- welshfella

no 2 *4 + 1 over 4

- anonymous

Wait we do that first i thought it was the top then bottom

- welshfella

another way to do it is to change 2 to 1/4 's
2 = 8/4
so 8/4 + 1/4 = ?

- anonymous

|dw:1441745828264:dw|

- anonymous

im pretty sure i did something wrong but i saw a vid on youtube about it

- welshfella

when you add fractions the denominator remains unchanged
|dw:1441745957414:dw|

- anonymous

OHH i did that one wrong it was for something else, sorry :/

- anonymous

Okay so we have 9/4 now

- welshfella

dividing by 9 is the same as multiplying by 1/9 , so we have
|dw:1441746073678:dw|

- anonymous

Okay

- anonymous

9/36

- anonymous

?

- welshfella

so what does that come to?

- welshfella

yes and what does 9/36 simplify to?

- anonymous

Okay let me think

- welshfella

what common factor does 9 and 36 have?

- anonymous

Im really bad at this so please dont be annoyed >.<

- welshfella

i won't be.

- anonymous

Okay well the common factor has to be the same number that equals the same number?

- anonymous

I wanna say B is the answer

- welshfella

you need the greatest common factor that will divide into both 9 and 36
3 will divide into both but its not the highest

- welshfella

b is correct 9 is the GCF:-
|dw:1441746484532:dw|

- welshfella

Sorry d is correct

- anonymous

Oh well thanks so much for trying im kinda like dumb when it comes to this XD

- welshfella

it would be easier to cancel out the 9 at earlier stage
like so:-

- welshfella

|dw:1441746629682:dw|

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