Solutions by everydaycalculation.com
1st number: 1 1/4, 2nd number: 10 0/4
54 - 404 is -354.
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Related: 10/4-40/4 5/4-80/4 5/8-40/4 5/4-40/8 15/4-40/4 5/12-40/4 5/4-40/12 25/4-40/4 5/20-40/4 5/4-40/20 35/4-40/4 5/28-40/4 5/4-40/28
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