Solutions by everydaycalculation.com
1st number: 8/15, 2nd number: 3 9/12
815 - 4512 is -19360.
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Related: 16/15-45/12 8/15-90/12 8/30-45/12 8/15-45/24 24/15-45/12 8/45-45/12 8/15-45/36 40/15-45/12 8/75-45/12 8/15-45/60 56/15-45/12 8/15-45/84
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