Solutions by everydaycalculation.com
1st number: 8/12, 2nd number: 1 2/12
812 - 1412 is -12.
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Related: 16/12-14/12 8/12-28/12 8/24-14/12 8/12-14/24 24/12-14/12 8/12-42/12 8/36-14/12 8/12-14/36 40/12-14/12 8/12-70/12 8/60-14/12 8/12-14/60 56/12-14/12 8/12-98/12 8/84-14/12 8/12-14/84
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