Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 3 8/30
312 - 9830 is -18160.
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Related: 6/12-98/30 3/24-98/30 3/12-98/60 9/12-98/30 3/36-98/30 3/12-98/90 15/12-98/30 3/60-98/30 21/12-98/30 3/84-98/30
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