Solutions by everydaycalculation.com
1st number: 2 0/9, 2nd number: 2 3/9
189 - 219 is -13.
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Related: 36/9-21/9 18/9-42/9 18/9-21/18 54/9-21/9 18/9-63/9 18/27-21/9 18/9-21/27 90/9-21/9 18/45-21/9 18/9-21/45 18/63-21/9 18/9-21/63
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