Solutions by everydaycalculation.com
1st number: 1 8/12, 2nd number: 3 9/12
2012 - 4512 is -2512.
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Related: 40/12-45/12 20/12-90/12 20/24-45/12 20/12-45/24 60/12-45/12 20/36-45/12 20/12-45/36 20/60-45/12 20/12-45/60 20/84-45/12 20/12-45/84
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