Solutions by everydaycalculation.com
1st number: 11 1/4, 2nd number: 7/8
454 + 78 is 978.
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Related: 90/4+7/8 45/4+14/8 45/8+7/8 45/4+7/16 45/4+21/8 45/12+7/8 45/4+7/24 45/4+35/8 45/20+7/8 45/4+7/40 45/4+49/8 45/28+7/8 45/4+7/56
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