Solutions by everydaycalculation.com
1st number: 4/20, 2nd number: 11 1/4
420 - 454 is -22120.
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Related: 8/20-45/4 4/20-90/4 4/40-45/4 4/20-45/8 12/20-45/4 4/60-45/4 4/20-45/12 4/20-45/20 28/20-45/4 4/20-45/28
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