Solutions by everydaycalculation.com
1st number: 1 2/6, 2nd number: 1 4/8
86 - 128 is -16.
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Related: 16/6-12/8 8/6-24/8 8/12-12/8 8/6-12/16 24/6-12/8 8/6-36/8 8/18-12/8 8/6-12/24 40/6-12/8 8/6-60/8 8/30-12/8 8/6-12/40 56/6-12/8 8/6-84/8 8/42-12/8 8/6-12/56
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