Solutions by everydaycalculation.com
1st number: 11 1/4, 2nd number: 3 3/8
454 + 278 is 1178.
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Related: 90/4+27/8 45/4+54/8 45/8+27/8 45/4+27/16 45/4+81/8 45/12+27/8 45/4+27/24 45/20+27/8 45/4+27/40 45/28+27/8 45/4+27/56
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