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may someone please help me on fractions? ineed help in understanding this...

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2 Answers

 3 - 1/9 = 2 + 9/9 - 1/9 = 2 8/9
 
   Just break 3: 
 
  3 = 2 + 1 = 2 + 9/9
 
   You let it to be 9/9, so that it has the same denominator as 1/9 , so you could subtract 1/9 from it.
Well 3 - 1/9 = 2 8/9, not 3 8/9
 
To add or subtract fractions, you need to put them over a common denominator, which should be 9 in this case.  To convert 3 into an improper fraction over 9, multiply 3 by 9/9
 
3 = 3/1 * 9/9 = 27/9
 
So now we can subtract 1/9 from 3:
 
27/9 - 1/9 = 26/9 = 18/9 + 8/9 = 2 8/9
 
You might also try looking at the following tutorial on fractions:
 

Woodbridge fractions tutors