2/4 - 7/12 = -1/12 or minus one twelfth. Expressed as a decimal, this is equal to -0.083 recurring (that is, -0.0833333...)
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7 twelfths. Solution: 1. 9 twelfths - 2 twelfths = 7 twelfths 2. 9/12 - 2/12 = 7/12 ============ 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.
Expressed as a proper fraction in its simplest form, 3 7/12 - 2 3/4 = 5/6 or five sixths.
7/12 - 1/6 = 7/12 - 2/12 = 5/12
5/6 minus 7/12 is 1/4.
It is: 3/8 minus 8/12 = -7/24