Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 1 8/10
87 - 1810 is -2335.
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Related: 16/7-18/10 8/7-36/10 8/14-18/10 8/7-18/20 24/7-18/10 8/7-54/10 8/21-18/10 8/7-18/30 40/7-18/10 8/7-90/10 8/35-18/10 8/7-18/50 56/7-18/10 8/49-18/10 8/7-18/70
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