Solutions by everydaycalculation.com
1st number: 1 2/7, 2nd number: 1 7/9
97 - 169 is -3163.
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Related: 18/7-16/9 9/7-32/9 9/14-16/9 9/7-16/18 27/7-16/9 9/7-48/9 9/21-16/9 9/7-16/27 45/7-16/9 9/7-80/9 9/35-16/9 9/7-16/45 63/7-16/9 9/49-16/9 9/7-16/63
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