Solutions by everydaycalculation.com
1st number: 4/90, 2nd number: 2 5/10
490 - 2510 is -22190.
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Related: 8/90-25/10 4/90-50/10 4/90-25/20 12/90-25/10 4/90-75/10 4/90-25/30 20/90-25/10 4/90-25/50 28/90-25/10 4/90-25/70
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