Solutions by everydaycalculation.com
1st number: 4 0/9, 2nd number: 5 5/9
369 - 509 is -149.
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Related: 72/9-50/9 36/18-50/9 36/9-50/18 36/27-50/9 36/9-50/27 36/45-50/9 36/9-50/45 36/63-50/9 36/9-50/63
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