Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 3 4/15
1512 - 4915 is -12160.
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Related: 30/12-49/15 15/12-98/15 15/24-49/15 15/12-49/30 45/12-49/15 15/36-49/15 15/12-49/45 75/12-49/15 15/60-49/15 15/12-49/75 15/84-49/15
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