Question 494187
[3(a-b)/9] + [4 / (9b)]
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least common denominator: 9b
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Write each fraction over the lcd:
[3b(a-b)/9b] + [4 / (9b)]
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Combine the numerators over the lcd:
[3ab - 3b^2 + 4]/(9b)
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[3b^2-3ab-4]/(-9b)
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Cheers,
Stan H.
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