Solutions by everydaycalculation.com
1st number: 10/42, 2nd number: 3 9/12
1042 - 4512 is -29584.
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Related: 20/42-45/12 10/42-90/12 10/84-45/12 10/42-45/24 30/42-45/12 10/42-45/36 50/42-45/12 10/42-45/60 70/42-45/12 10/42-45/84
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