Solutions by everydaycalculation.com
1st number: 1/8, 2nd number: 1 1/7
18 - 87 is -5756.
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Related: 2/8-8/7 1/8-16/7 1/16-8/7 1/8-8/14 3/8-8/7 1/8-24/7 1/24-8/7 1/8-8/21 5/8-8/7 1/8-40/7 1/40-8/7 1/8-8/35 7/8-8/7 1/8-56/7 1/56-8/7 1/8-8/49
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