Solutions by everydaycalculation.com
1st number: 6 4/6, 2nd number: 4 1/6
406 + 256 is 656.
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Related: 80/6+25/6 40/6+50/6 40/12+25/6 40/6+25/12 40/6+75/6 40/18+25/6 40/6+25/18 40/30+25/6 40/6+25/30 40/42+25/6 40/6+25/42
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