Solutions by everydaycalculation.com
1st number: 5/6, 2nd number: 3 1/3
56 + 103 is 256.
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Related: 10/6+10/3 5/6+20/3 5/12+10/3 5/6+10/6 15/6+10/3 5/6+30/3 5/18+10/3 5/6+10/9 25/6+10/3 5/6+50/3 5/30+10/3 5/6+10/15 35/6+10/3 5/6+70/3 5/42+10/3 5/6+10/21
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