Solutions by everydaycalculation.com
1st number: 4 0/4, 2nd number: 2/12
164 + 212 is 256.
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Related: 32/4+2/12 16/4+4/12 16/8+2/12 16/4+2/24 48/4+2/12 16/4+6/12 16/12+2/12 16/4+2/36 80/4+2/12 16/4+10/12 16/20+2/12 16/4+2/60 16/4+14/12 16/28+2/12 16/4+2/84
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