Solutions by everydaycalculation.com
1st number: 3 9/12, 2nd number: 3 4/12
4512 + 4012 is 8512.
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Related: 90/12+40/12 45/12+80/12 45/24+40/12 45/12+40/24 45/36+40/12 45/12+40/36 45/60+40/12 45/12+40/60 45/84+40/12 45/12+40/84
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