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Simplify. Express your answer as a single fraction in simplest form.\newline3cd−4cd\frac{3}{cd} - \frac{4}{cd}

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Add and subtract rational expressionsright chevron icon

Full solution

Q. Simplify. Express your answer as a single fraction in simplest form.\newline3cd−4cd\frac{3}{cd} - \frac{4}{cd}
  1. Identify Denominators: Identify that both fractions have the same denominator, which is cdcd. There is no need to find a common denominator since they are already the same.
  2. Subtract Numerators: Subtract the numerators of the fractions since the denominators are the same. This gives us (3−4)/cd(3 - 4)/cd.
  3. Perform Subtraction: Perform the subtraction in the numerator. 3−43 - 4 equals −1-1.
  4. Write Final Result: Write the result as a single fraction. The final simplified expression is −1cd.-\frac{1}{cd}.

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