Solutions by everydaycalculation.com
1st number: 5/18, 2nd number: 1 12/30
518 - 4230 is -10190.
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Related: 10/18-42/30 5/18-84/30 5/36-42/30 5/18-42/60 15/18-42/30 5/54-42/30 5/18-42/90 25/18-42/30 5/90-42/30 35/18-42/30
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