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Mathematics 21 Online
OpenStudy (matthew120):

Express the fraction in simplest form.

OpenStudy (matthew120):

A. B. C. D.

OpenStudy (mrnood):

you need to find the largest number that divide into 9 AND 12 divide them both - that is your answer

OpenStudy (matthew120):

what ?

OpenStudy (mrnood):

first write down all the numbers that divide into 9

OpenStudy (matthew120):

oh ok

OpenStudy (matthew120):

there

OpenStudy (mrnood):

then write all the numbers that divide into 12 find the highest number that is in both lists

OpenStudy (matthew120):

i think its c

OpenStudy (mrnood):

do you? I think you need to do what I suggested above

OpenStudy (mrnood):

does 1 divide into 9? does 2 divide into 9? does 3 divide into 9? does 4 divide into 9? does 5 divide into 9? does 6 divide into 9? does 7 divide into 9? does 8 divide into 9? does 9 divide into 9? write down the numbers that answer YES

OpenStudy (mrnood):

We ar looking for the answers that give a WHOLE number e.g. 2 divides into 8 becaouse the answer is 4

OpenStudy (matthew120):

so 3/4

OpenStudy (matthew120):

Subtract.

OpenStudy (matthew120):

mr nood

OpenStudy (matthew120):

@texaschic101

OpenStudy (mrnood):

3 is th ehigest number that goes into bot 9 and 12 SO 9/12 divide top and bottom by 3 = 3/4 you are correct

OpenStudy (mrnood):

You should start a new thread, but , because the bottoms (denominators)are the same you can subtract the tops directly 6 (twelfths) - 4 (twelfths) = how many twelfths??

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