Solutions by everydaycalculation.com
1st number: 3 3/9, 2nd number: 7/9
309 - 79 is 239.
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Related: 60/9-7/9 30/9-14/9 30/18-7/9 30/9-7/18 90/9-7/9 30/9-21/9 30/27-7/9 30/9-7/27 30/9-35/9 30/45-7/9 30/9-7/45 30/9-49/9 30/63-7/9 30/9-7/63
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