Solutions by everydaycalculation.com
1st number: 1 2/6, 2nd number: 3/12
86 - 312 is 1312.
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Related: 16/6-3/12 8/6-6/12 8/12-3/12 8/6-3/24 24/6-3/12 8/6-9/12 8/18-3/12 8/6-3/36 40/6-3/12 8/6-15/12 8/30-3/12 8/6-3/60 56/6-3/12 8/6-21/12 8/42-3/12 8/6-3/84
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