Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 1 2/12
312 - 1412 is -1112.
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Related: 6/12-14/12 3/12-28/12 3/24-14/12 3/12-14/24 9/12-14/12 3/12-42/12 3/36-14/12 3/12-14/36 15/12-14/12 3/12-70/12 3/60-14/12 3/12-14/60 21/12-14/12 3/12-98/12 3/84-14/12 3/12-14/84
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