Solutions by everydaycalculation.com
1st number: 11 1/4, 2nd number: 15 0/4
454 + 604 is 1054.
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Related: 90/4+60/4 45/8+60/4 45/4+60/8 45/12+60/4 45/4+60/12 45/20+60/4 45/4+60/20 45/28+60/4 45/4+60/28
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