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Change their denominator by using the LCD Method
   example: 1 3/4 and 1/3 = their LCD is 12
divide their LCD with its denominator
    example: 12/4=3  12/3=4
if it has a whole number multiply it to the quotient
     example: 3*1=3
then add it to the numerator
      example: 3+3=6   4+1=5
          so their numerator is both 6
 if you got the two fractions
  -subtract the numerator and then copy their denominator
       example: 1 6/12 - 5/12= 1 1/12  
0 0 0
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