Solutions by everydaycalculation.com
1st number: 3/9, 2nd number: 3 3/9
39 - 309 is -31.
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Related: 6/9-30/9 3/9-60/9 3/18-30/9 3/9-30/18 3/9-90/9 3/27-30/9 3/9-30/27 15/9-30/9 3/45-30/9 3/9-30/45 21/9-30/9 3/63-30/9 3/9-30/63
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