Solutions by everydaycalculation.com
1st number: 1 1/4, 2nd number: 3/10
54 - 310 is 1920.
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Related: 10/4-3/10 5/4-6/10 5/8-3/10 5/4-3/20 15/4-3/10 5/4-9/10 5/12-3/10 5/4-3/30 25/4-3/10 5/4-15/10 5/20-3/10 5/4-3/50 35/4-3/10 5/4-21/10 5/28-3/10 5/4-3/70
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