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