Solutions by everydaycalculation.com
1st number: 8/12, 2nd number: 1 2/6
812 - 86 is -23.
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Related: 16/12-8/6 8/12-16/6 8/24-8/6 8/12-8/12 24/12-8/6 8/12-24/6 8/36-8/6 8/12-8/18 40/12-8/6 8/12-40/6 8/60-8/6 8/12-8/30 56/12-8/6 8/12-56/6 8/84-8/6 8/12-8/42
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