Solutions by everydaycalculation.com
1st number: 2 0/9, 2nd number: 4 4/9
189 - 409 is -229.
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Related: 36/9-40/9 18/9-80/9 18/9-40/18 54/9-40/9 18/27-40/9 18/9-40/27 90/9-40/9 18/45-40/9 18/9-40/45 18/63-40/9 18/9-40/63
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