Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 1 6/8
87 - 148 is -1728.
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Related: 16/7-14/8 8/7-28/8 8/14-14/8 8/7-14/16 24/7-14/8 8/7-42/8 8/21-14/8 8/7-14/24 40/7-14/8 8/7-70/8 8/35-14/8 8/7-14/40 56/7-14/8 8/7-98/8 8/49-14/8 8/7-14/56
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