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OpenStudy (alivejeremy):
OpenStudy (anonymous):
Do you understand what the question is asking you to add?
OpenStudy (alivejeremy):
a little
OpenStudy (anonymous):
It is saying that the plant grew 1/16in the first week and 3/16in the second week. To get the total, you have to add these two fractions and simplify.
OpenStudy (alivejeremy):
3/256
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OpenStudy (anonymous):
No, that's multiplying. To add fractions, the denominator stays the same but you add the numerator.
OpenStudy (alivejeremy):
lol true
OpenStudy (anonymous):
4/16 does not simplify to 4.
OpenStudy (alivejeremy):
1/4
OpenStudy (anonymous):
Right, 1/4. Good job!
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OpenStudy (alivejeremy):
can u help wit more
OpenStudy (anonymous):
Sure.
OpenStudy (alivejeremy):
ok thx
OpenStudy (alivejeremy):
OpenStudy (alivejeremy):
^_^
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OpenStudy (anonymous):
B
OpenStudy (alivejeremy):
B?
OpenStudy (anonymous):
Since she used 1/3lb, you subtract that from the initial amount which was 5/8 pound. Then you just have to find a common denominator and subtract.
OpenStudy (anonymous):
common denominator is 24
OpenStudy (anonymous):
So it would be:
\[\frac{ 5 }{ 8 }-\frac{ 1 }{ 3 }\]
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OpenStudy (alivejeremy):
\[\frac{ 1 }{ 12 }\]
OpenStudy (anonymous):
you do 15/24 minus 8/24
OpenStudy (anonymous):
which gives you 7/24
OpenStudy (alivejeremy):
1/12
OpenStudy (anonymous):
So the common denominator is 24 like ninaa said. To get both to have the same denominator you have to multiply the 5/8(3/3) and the 1/3(8/8) then subtract. Is that what you did?
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OpenStudy (alivejeremy):
im done wit tht one
OpenStudy (alivejeremy):
OpenStudy (anonymous):
yes, and then once you subtract that is the final form of the fraction because there aren't any numbers that are able to go to both 7 and 24
OpenStudy (alivejeremy):
OpenStudy (alivejeremy):
^_^
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OpenStudy (anonymous):
B
OpenStudy (alivejeremy):
b?
OpenStudy (anonymous):
you find a common denominator as well, which is 12, then you get 4/12 and 5/12 which is 9/12 and you can simplify that to 3/4
OpenStudy (anonymous):
1/3 (4/4) and the other fraction stays the same since the denominator is 12
OpenStudy (alivejeremy):
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OpenStudy (anonymous):
7/40
OpenStudy (alivejeremy):
its not 7/40
OpenStudy (anonymous):
you find a common denominator once again and then you subtract the fractions since its asking for the difference
OpenStudy (anonymous):
4/5 (8/8) and then 5/8 (5/5) then subtract
OpenStudy (alivejeremy):
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OpenStudy (alivejeremy):
^_^
OpenStudy (anonymous):
A
OpenStudy (anonymous):
find the common denominator and then add the fractions because its saying in all which is adding
OpenStudy (mathmale):
Jeremy: the topic here is "addition and subtractin of fractions." The main principle here is that the fractions you wish to combine must have the same denominator, which we call the "Lowest Common Denominator." Somone helped you with your first post. Pelase go back and review that, and then, please show the rest of us the actual work you'd do to find your answer.
OpenStudy (alivejeremy):
?
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OpenStudy (anonymous):
show us please how you'd find the answer to these problems
OpenStudy (anonymous):
if we keep telling you the answers, you'll never learn
OpenStudy (mathmale):
Jeremy: Please do some work and share your efforts with the rest of us. Time for you to get involved.
OpenStudy (alivejeremy):
?_?
OpenStudy (mathmale):
Jeremy, if you're not willing to get involved, if you don't ask questions, if you don't show any of your own work, then perhaps OpenStudy is not the place for you.