Solutions by everydaycalculation.com
1st number: 3/12, 2nd number: 6 9/12
312 + 8112 is 71.
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Related: 6/12+81/12 3/24+81/12 3/12+81/24 9/12+81/12 3/36+81/12 3/12+81/36 15/12+81/12 3/60+81/12 3/12+81/60 21/12+81/12 3/84+81/12 3/12+81/84
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