Solutions by everydaycalculation.com
1st number: 7 1/2, 2nd number: 5/12
152 - 512 is 8512.
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Related: 30/2-5/12 15/2-10/12 15/4-5/12 15/2-5/24 45/2-5/12 15/2-15/12 15/6-5/12 15/2-5/36 75/2-5/12 15/2-25/12 15/10-5/12 15/2-5/60 15/2-35/12 15/14-5/12 15/2-5/84
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