Solutions by everydaycalculation.com
1st number: 6/8, 2nd number: 1 3/9
68 - 129 is -712.
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Related: 12/8-12/9 6/8-24/9 6/16-12/9 6/8-12/18 18/8-12/9 6/8-36/9 6/24-12/9 6/8-12/27 30/8-12/9 6/8-60/9 6/40-12/9 6/8-12/45 42/8-12/9 6/8-84/9 6/56-12/9 6/8-12/63
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