Solutions by everydaycalculation.com
1st number: 3 9/12, 2nd number: 1 2/6
4512 - 86 is 2912.
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Related: 90/12-8/6 45/12-16/6 45/24-8/6 45/12-8/12 45/12-24/6 45/36-8/6 45/12-8/18 45/12-40/6 45/60-8/6 45/12-8/30 45/12-56/6 45/84-8/6 45/12-8/42
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