7 twelfths.
Solution:
1. 9 twelfths - 2 twelfths = 7 twelfths
2. 9/12 - 2/12 = 7/12
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7/12.
9 of something minus 2 of the same thing equals 7 of that thing. It makes no difference whether the thing, for example, is apples or pounds/dollars or "twelfths" etc.
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-1/12
Two quarters minus two thirds is negative one sixth. Two quarters is six twelfths, and two thirds is eight twelfths. Six twelfths minus eight twelfths is minus two twelfths or minus one sixth.
no, two thirds = eight twelfths, so nine twelfths is bigger.
Converting to twelfths gives 9 twelfths minus 8 twelfths which is 1 twelfth.
9/12 minus 3/4 is 0.