Solutions by everydaycalculation.com
1st number: 4/21, 2nd number: 11 1/4
421 - 454 is -92984.
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Related: 8/21-45/4 4/21-90/4 4/42-45/4 4/21-45/8 12/21-45/4 4/63-45/4 4/21-45/12 20/21-45/4 4/21-45/20 28/21-45/4 4/21-45/28
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