Solutions by everydaycalculation.com
1st number: 8/9, 2nd number: 2 0/9
89 - 189 is -109.
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Related: 16/9-18/9 8/9-36/9 8/18-18/9 24/9-18/9 8/9-54/9 8/27-18/9 8/9-18/27 40/9-18/9 8/9-90/9 8/45-18/9 8/9-18/45 56/9-18/9 8/63-18/9 8/9-18/63
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