Solutions by everydaycalculation.com
1st number: 1/28, 2nd number: 4 2/10
128 - 4210 is -583140.
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Related: 2/28-42/10 1/28-84/10 1/56-42/10 1/28-42/20 3/28-42/10 1/84-42/10 1/28-42/30 5/28-42/10 1/28-42/50 7/28-42/10 1/28-42/70
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