Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 3 9/12
312 + 4512 is 41.
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Related: 6/12+45/12 3/12+90/12 3/24+45/12 3/12+45/24 9/12+45/12 3/36+45/12 3/12+45/36 15/12+45/12 3/60+45/12 3/12+45/60 21/12+45/12 3/84+45/12 3/12+45/84
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