Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 3 17/21
312 - 8021 is -29984.
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Related: 6/12-80/21 3/24-80/21 3/12-80/42 9/12-80/21 3/36-80/21 3/12-80/63 15/12-80/21 3/60-80/21 21/12-80/21 3/84-80/21
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