Verified Answer :

ayzence

18 - 1/3 = 53/3 or 17 2/3

12 - 1/4 = 47/4 or 11 3/4

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so what you do is 18/1 - 1/3 then you find the least common denominator which is 3
then you multiply 18/1 by three and turn it into 54/3
then you do 54/3-1/3 which equals 53/3
answer is 17 2/3


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