Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 4 8/12
312 - 5612 is -5312.
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Related: 6/12-56/12 3/24-56/12 3/12-56/24 9/12-56/12 3/36-56/12 3/12-56/36 15/12-56/12 3/60-56/12 3/12-56/60 21/12-56/12 3/84-56/12 3/12-56/84
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