Solutions by everydaycalculation.com
1st number: 10 0/4, 2nd number: 20 0/4
404 - 804 is -101.
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Related: 80/4-80/4 40/8-80/4 40/4-80/8 40/12-80/4 40/4-80/12 40/20-80/4 40/4-80/20 40/28-80/4 40/4-80/28
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