Solutions by everydaycalculation.com
1st number: 1 1/9, 2nd number: 7/9
109 - 79 is 13.
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Related: 20/9-7/9 10/9-14/9 10/18-7/9 10/9-7/18 30/9-7/9 10/9-21/9 10/27-7/9 10/9-7/27 50/9-7/9 10/9-35/9 10/45-7/9 10/9-7/45 70/9-7/9 10/9-49/9 10/63-7/9 10/9-7/63
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