Solutions by everydaycalculation.com
1st number: 3 9/12, 2nd number: 8/12
4512 + 812 is 5312.
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Related: 90/12+8/12 45/12+16/12 45/24+8/12 45/12+8/24 45/12+24/12 45/36+8/12 45/12+8/36 45/12+40/12 45/60+8/12 45/12+8/60 45/12+56/12 45/84+8/12 45/12+8/84
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