Question

question

subtract: \\(\frac{2}{18c^4d} - \frac{2}{21d^4}\\)

provide your answer below:

Explanation:

Find the least common denominator

Using the Least Common Denominator knowledge point

$$
LATEXBLOCK0
$$

Convert to equivalent expressions

Using the Equivalent Rational Expressions knowledge point

$$
LATEXBLOCK1
$$

Subtract the rational expressions

Using the Subtracting Rational Expressions knowledge point

$$ \frac{14d^3}{126c^4d^4} - \frac{12c^4}{126c^4d^4} = \frac{14d^3 - 12c^4}{126c^4d^4} $$

Simplify the final expression

Using the Simplifying Rational Expressions knowledge point

$$ \frac{2(7d^3 - 6c^4)}{126c^4d^4} = \frac{7d^3 - 6c^4}{63c^4d^4} $$

Answer:

Subtract: \(\frac{2}{18c^4d} - \frac{2}{21d^4}\)

Provide your answer below:
<blank>\(\frac{7d^3 - 6c^4}{63c^4d^4}\)</blank>