Solutions by everydaycalculation.com
1st number: 3/8, 2nd number: 6 6/8
38 + 548 is 578.
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Related: 6/8+54/8 3/16+54/8 3/8+54/16 9/8+54/8 3/24+54/8 3/8+54/24 15/8+54/8 3/40+54/8 3/8+54/40 21/8+54/8 3/56+54/8 3/8+54/56
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