change it to an improper fraction and then divide it
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It is the mixed number with its sign changed - from positive to negative or negative to positive
The definition of an multipilicative inverse is a number that's times by the known number to attain a product of one. To find the multiplicative inverse is the same thing as the recipricol of the number. To find the multiplicitive inverse or recipricol of a number, first turn the number into a fraction, then switch the numerator and denominator around. The result is your multiplicitive inverse.
if you know the operation of your number you can do inverse operation
The answer depends on what you mean by "opposite": whether it is the additive inverse or the multiplicative inverse.
To find the additive inverse of ANY number, add a minus sign. (If the number already has a minus sign, take the minus sign away to get the additive inverse.)