Solutions by everydaycalculation.com
1st number: 5/12, 2nd number: 3 9/12
512 + 4512 is 256.
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Related: 10/12+45/12 5/12+90/12 5/24+45/12 5/12+45/24 15/12+45/12 5/36+45/12 5/12+45/36 25/12+45/12 5/60+45/12 5/12+45/60 35/12+45/12 5/84+45/12 5/12+45/84
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