Solutions by everydaycalculation.com
1st number: 11 1/4, 2nd number: 12 1/4
454 - 494 is -11.
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Related: 90/4-49/4 45/4-98/4 45/8-49/4 45/4-49/8 45/12-49/4 45/4-49/12 45/20-49/4 45/4-49/20 45/28-49/4 45/4-49/28
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