Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 1 1/7
312 - 87 is -2528.
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Related: 6/12-8/7 3/12-16/7 3/24-8/7 3/12-8/14 9/12-8/7 3/12-24/7 3/36-8/7 3/12-8/21 15/12-8/7 3/12-40/7 3/60-8/7 3/12-8/35 21/12-8/7 3/12-56/7 3/84-8/7 3/12-8/49
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