Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 8/9
87 - 89 is 1663.
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Related: 16/7-8/9 8/7-16/9 8/14-8/9 8/7-8/18 24/7-8/9 8/7-24/9 8/21-8/9 8/7-8/27 40/7-8/9 8/7-40/9 8/35-8/9 8/7-8/45 56/7-8/9 8/7-56/9 8/49-8/9 8/7-8/63
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