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OpenStudy (anonymous):
5/7+7/8=?
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OpenStudy (karatechopper):
find a common denominator between the 2 different denominators
OpenStudy (anonymous):
do i just times the two denominators to find the common denominator?
OpenStudy (anonymous):
\[\Large \frac57+\frac78=\frac{5\cdot8+7\cdot 7}{56}\] go for it...
OpenStudy (anonymous):
multiply first, then sum.
OpenStudy (anonymous):
13.5/56??
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OpenStudy (anonymous):
|dw:1333366451803:dw|
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