Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 8/12
1512 - 812 is 712.
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Related: 30/12-8/12 15/12-16/12 15/24-8/12 15/12-8/24 45/12-8/12 15/12-24/12 15/36-8/12 15/12-8/36 75/12-8/12 15/12-40/12 15/60-8/12 15/12-8/60 15/12-56/12 15/84-8/12 15/12-8/84
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