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Together

FilledSmallSquare Together[expr] puts terms in a sum over a common denominator and cancels factors in the result.

FilledSmallSquare Example: Together[1/x + 1/(1 - x)] LongRightArrow .

FilledSmallSquare Together makes a sum of terms into a single rational function.

FilledSmallSquare The denominator of the result of Together is typically the lowest common multiple of the denominators of each of the terms in the sum.

FilledSmallSquare Together avoids expanding out denominators unless it is necessary.

FilledSmallSquare Together is effectively the inverse of Apart.

FilledSmallSquare See also: Apart, Factor.

Examples

Using InstantCalculators

Here is the InstantCalculator for the Together function. Enter the parameters for your calculation and click Calculate to see the result.

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Entering Commands Directly

You can paste a template for this command via the Text Input button on the Together Function Controller.

Here is a simple example.

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Here is another example.

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Together explicitly makes it clear that this expression is indeterminate.

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Together simplifies this complicated expression.

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No cancellation is done here.

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