Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 1 4/12
1512 - 1612 is -112.
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Related: 30/12-16/12 15/12-32/12 15/24-16/12 15/12-16/24 45/12-16/12 15/12-48/12 15/36-16/12 15/12-16/36 75/12-16/12 15/12-80/12 15/60-16/12 15/12-16/60 15/84-16/12 15/12-16/84
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