Solutions by everydaycalculation.com
1st number: 2/15, 2nd number: 3 9/12
215 - 4512 is -21760.
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Related: 4/15-45/12 2/15-90/12 2/30-45/12 2/15-45/24 6/15-45/12 2/45-45/12 2/15-45/36 10/15-45/12 2/75-45/12 2/15-45/60 14/15-45/12 2/15-45/84
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