Solutions by everydaycalculation.com
1st number: 1/63, 2nd number: 1 1/7
163 - 87 is -7163.
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Related: 2/63-8/7 1/63-16/7 1/63-8/14 3/63-8/7 1/63-24/7 1/63-8/21 5/63-8/7 1/63-40/7 1/63-8/35 7/63-8/7 1/63-56/7 1/63-8/49
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