Solutions by everydaycalculation.com
1st number: 5/18, 2nd number: 2 12/15
518 - 4215 is -22790.
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Related: 10/18-42/15 5/18-84/15 5/36-42/15 5/18-42/30 15/18-42/15 5/54-42/15 5/18-42/45 25/18-42/15 5/90-42/15 5/18-42/75 35/18-42/15
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