Solutions by everydaycalculation.com
1st number: 3/9, 2nd number: 1 3/9
39 - 129 is -11.
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Related: 6/9-12/9 3/9-24/9 3/18-12/9 3/9-12/18 3/9-36/9 3/27-12/9 3/9-12/27 15/9-12/9 3/9-60/9 3/45-12/9 3/9-12/45 21/9-12/9 3/9-84/9 3/63-12/9 3/9-12/63
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