Solutions by everydaycalculation.com
1st number: 10 0/4, 2nd number: 11 1/4
404 - 454 is -54.
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Related: 80/4-45/4 40/4-90/4 40/8-45/4 40/4-45/8 40/12-45/4 40/4-45/12 40/20-45/4 40/4-45/20 40/28-45/4 40/4-45/28
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