stellanina stellanina

28-01-2018
Chemistry

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when adding and fractions (1/3)+(-2/5) what must you first do

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merrilghabour merrilghabour

28-01-2018

You must first get a common denominator by multiplying (1/3) by 5 and (-2/5) by 3 to get the equation (5/15)+(-10/15)= -5/15 which can be simplified to 1/3.

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