Evaluate
1+\frac{1}{243x^{3}}
Factor
\frac{243x^{3}+1}{243x^{3}}
Graph
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\frac{243x^{3}}{243x^{3}}+\frac{1}{243x^{3}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 1 times \frac{243x^{3}}{243x^{3}}.
\frac{243x^{3}+1}{243x^{3}}
Since \frac{243x^{3}}{243x^{3}} and \frac{1}{243x^{3}} have the same denominator, add them by adding their numerators.
Examples
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Matrix
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Simultaneous equation
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Differentiation
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Integration
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Limits
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