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Basic Math/Negative reciprocals


How do you find the negative reciprocal of a fraction?

Hello, ChooCh.

To find the reciprocal of a fraction, simply 'flip' the fraction over. Thus, the reciprocal for 4/9 would be 9/4. The negative reciprocal is found by flipping the fraction, and then putting a negative sign in front. Therefore, the negative reciprocal for 4/9 would be -9/4.

The negative reciprocal for -4/9 would be (-)-9/4, or 9/4.

Hope this helps.


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John Zalewski


I can help you solve problems involving fractions, decimals, ratios, and algebra. I can teach you how to do math faster, and even in your head. I can teach math definitions, and help you study, if necessary. Please do not ask any graphing, trigonometry, or calculus questions. Try to work through homework questions before asking for assistance.


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