Solutions by everydaycalculation.com
1st number: 7/12, 2nd number: 4 8/12
712 - 5612 is -4912.
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Related: 14/12-56/12 7/24-56/12 7/12-56/24 21/12-56/12 7/36-56/12 7/12-56/36 35/12-56/12 7/60-56/12 7/12-56/60 49/12-56/12 7/84-56/12 7/12-56/84
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