Solutions by everydaycalculation.com
1st number: 5 3/9, 2nd number: 5 5/9
489 - 509 is -29.
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Related: 96/9-50/9 48/18-50/9 48/9-50/18 48/27-50/9 48/9-50/27 48/45-50/9 48/9-50/45 48/63-50/9 48/9-50/63
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