Solutions by everydaycalculation.com
1st number: 7/9, 2nd number: 6 6/9
79 - 609 is -539.
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Related: 14/9-60/9 7/18-60/9 7/9-60/18 21/9-60/9 7/27-60/9 7/9-60/27 35/9-60/9 7/45-60/9 7/9-60/45 49/9-60/9 7/63-60/9 7/9-60/63
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