Solutions by everydaycalculation.com
1st number: 3/9, 2nd number: 7 0/9
39 - 639 is -203.
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Related: 6/9-63/9 3/18-63/9 3/9-63/18 3/27-63/9 3/9-63/27 15/9-63/9 3/45-63/9 3/9-63/45 21/9-63/9 3/63-63/9
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