Solutions by everydaycalculation.com
1st number: 1 1/4, 2nd number: 4 8/10
54 - 4810 is -7120.
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Related: 10/4-48/10 5/4-96/10 5/8-48/10 5/4-48/20 15/4-48/10 5/12-48/10 5/4-48/30 25/4-48/10 5/20-48/10 5/4-48/50 35/4-48/10 5/28-48/10 5/4-48/70
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