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(mathematics) A fraction which reduces to the form 0/0 for a particular value of the variable which enters it, usually in consequence of the existence of a common factor in both terms of the fraction, which factor becomes 0 for this particular value of the variable.

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vanishing fraction

When simplifying the algebraic expression, we discovered a vanishing fraction that caused the entire term to disappear.

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When simplifying the algebraic expression, we discovered a vanishing fraction that caused the entire term to disappear.

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