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OpenStudy (anonymous):
What is the sum? 7/2 + (-3/5) a. 4/3 b. 29/10 c. -21/10 d. 41/10
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OpenStudy (luigi0210):
Get common denominators
OpenStudy (anonymous):
so are saying to eliminate the common denominators
OpenStudy (luigi0210):
multiply the first fraction by 5, the second by 2, then add them
OpenStudy (anonymous):
ok brb
OpenStudy (anonymous):
the common denominator is 10, right? multiply & divide 7/2 with 5 and then multiply& divide -3/5 with 2. so you will get 35/10 -6/10 now sove
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OpenStudy (anonymous):
29/10
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