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OpenStudy (anonymous):
Find the least common denominator for these two rational expressions. -7/a -9/5a^2
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OpenStudy (anonymous):
help
OpenStudy (anonymous):
-7/4 -9/5a^2 do you adding.?...
OpenStudy (anonymous):
no
OpenStudy (anonymous):
the common for both is 5a^2
OpenStudy (anonymous):
thank you !
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