Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 2/12
123 + 212 is 256.
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Related: 24/3+2/12 12/3+4/12 12/6+2/12 12/3+2/24 36/3+2/12 12/3+6/12 12/9+2/12 12/3+2/36 60/3+2/12 12/3+10/12 12/15+2/12 12/3+2/60 84/3+2/12 12/3+14/12 12/21+2/12 12/3+2/84
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