Common Denomenator
First you need a common denomenator.
2/3 4/9
you can multiply 2/3 by 3/3 to make it 6/9
look at the number on top. is 6 bigger than 4? or is 4 bigger than 6?
6 is bigger than four, so 2/3 is bigger than 4/9
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Ninths.
Two thirds minus two ninths is 4 ninths. Two thirds is 6 ninths. 6 ninths minus 2 ninths is 4 ninths.
To subtract two fractions, they must have a common denominator. In this case, the common denominator is 9. So, convert 2/3 to 6/9. Then, subtract 6/9 - 4/9 to get 2/9 as the result.
I'm mostly sure that four sixths is bigger than two thirds.
2 5/9 + 1 2/3 = 4 2/9 or four and two ninths.