Solutions by everydaycalculation.com
1st number: 4/12, 2nd number: 3 9/12
412 - 4512 is -4112.
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Related: 8/12-45/12 4/12-90/12 4/24-45/12 4/12-45/24 4/36-45/12 4/12-45/36 20/12-45/12 4/60-45/12 4/12-45/60 28/12-45/12 4/84-45/12 4/12-45/84
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