Solutions by everydaycalculation.com
1st number: 10 0/4, 2nd number: 18 0/4
404 - 724 is -81.
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Related: 80/4-72/4 40/8-72/4 40/4-72/8 40/12-72/4 40/4-72/12 40/20-72/4 40/4-72/20 40/28-72/4 40/4-72/28
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