Solutions by everydaycalculation.com
1st number: 5/28, 2nd number: 4 2/10
528 - 4210 is -563140.
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Related: 10/28-42/10 5/28-84/10 5/56-42/10 5/28-42/20 15/28-42/10 5/84-42/10 5/28-42/30 25/28-42/10 5/28-42/50 35/28-42/10 5/28-42/70
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