Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 4 8/12
1512 - 5612 is -4112.
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Related: 30/12-56/12 15/24-56/12 15/12-56/24 45/12-56/12 15/36-56/12 15/12-56/36 75/12-56/12 15/60-56/12 15/12-56/60 15/84-56/12 15/12-56/84
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