Solutions by everydaycalculation.com
1st number: 2 0/9, 2nd number: 5 5/9
189 - 509 is -329.
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Related: 36/9-50/9 18/9-50/18 54/9-50/9 18/27-50/9 18/9-50/27 90/9-50/9 18/45-50/9 18/9-50/45 18/63-50/9 18/9-50/63
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