Solutions by everydaycalculation.com
1st number: 2 0/12, 2nd number: 3 9/12
2412 - 4512 is -74.
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Related: 48/12-45/12 24/12-90/12 24/12-45/24 72/12-45/12 24/36-45/12 24/12-45/36 24/60-45/12 24/12-45/60 24/84-45/12 24/12-45/84
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