Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 3 4/15
312 - 4915 is -18160.
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Related: 6/12-49/15 3/12-98/15 3/24-49/15 3/12-49/30 9/12-49/15 3/36-49/15 3/12-49/45 15/12-49/15 3/60-49/15 3/12-49/75 21/12-49/15 3/84-49/15
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