Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 3/12
2112 + 312 is 21.
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Related: 42/12+3/12 21/12+6/12 21/24+3/12 21/12+3/24 63/12+3/12 21/12+9/12 21/36+3/12 21/12+3/36 21/12+15/12 21/60+3/12 21/12+3/60 21/12+21/12 21/84+3/12 21/12+3/84
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