Solutions by everydaycalculation.com
1st number: 3 1/3, 2nd number: 3 9/12
103 - 4512 is -512.
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Related: 20/3-45/12 10/3-90/12 10/6-45/12 10/3-45/24 30/3-45/12 10/9-45/12 10/3-45/36 50/3-45/12 10/15-45/12 10/3-45/60 70/3-45/12 10/21-45/12 10/3-45/84
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