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Mathematics 8 Online
OpenStudy (anonymous):

4(1/2 + 1/3) + 4

OpenStudy (anonymous):

@kva1992 could you help me

OpenStudy (anonymous):

I took 1/2 + 1/3 with a LCD of 6.

OpenStudy (anonymous):

= 3/6 + 2/6 = 5/6

OpenStudy (anonymous):

times 4 = 20/6

OpenStudy (anonymous):

Wrong :(

OpenStudy (kva1992):

do the parenthisis first

OpenStudy (kva1992):

then distribute

OpenStudy (kva1992):

and then the last one should be addition

OpenStudy (kva1992):

dont forget pemdas

OpenStudy (anonymous):

whats distribute mean?

OpenStudy (anonymous):

Look above on my comments? was i doing it wrong? i thought i was following pedmas

OpenStudy (kva1992):

alright your good so far

OpenStudy (kva1992):

20/6 = 10/3

OpenStudy (kva1992):

and after that you have to add still

OpenStudy (anonymous):

so it would make it 24?

OpenStudy (kva1992):

so you would have to do 10/3 +4= 10/3 + 16/4 = 40/12 + 48/12

OpenStudy (anonymous):

where did you get 16 from?

OpenStudy (kva1992):

which will equal 86/12 = 7 1/6

OpenStudy (anonymous):

why is it 16/4

OpenStudy (kva1992):

that should be your answer

OpenStudy (kva1992):

because you make the 4 into a fraction

OpenStudy (kva1992):

an improper fraction

OpenStudy (kva1992):

so 4 is the same as 16/4

OpenStudy (anonymous):

im confused..im lost at the 16/4

OpenStudy (anonymous):

answer is 7 1/3

OpenStudy (kva1992):

opps i ment 1/3 sorry

OpenStudy (kva1992):

alrigt so divide 16/4 what does that give you?

OpenStudy (kva1992):

or better yet if you have 1/4 - 1 what do you do usually?

OpenStudy (kva1992):

make the 1 a whole right?

OpenStudy (kva1992):

so the 1 becomes 4/4

OpenStudy (kva1992):

your doing the same thing only difference is you have a 4 rather than a one so you would do

OpenStudy (kva1992):

3 4/4 and multiply 3 times 4 which gives you 12 plus 4 which gives you 16 and put that over 4

OpenStudy (kva1992):

so you get 16/4

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