Solutions by everydaycalculation.com
1st number: 6/18, 2nd number: 1 6/18
618 - 2418 is -11.
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Related: 12/18-24/18 6/18-48/18 6/36-24/18 6/18-24/36 6/18-72/18 6/54-24/18 6/18-24/54 30/18-24/18 6/90-24/18 6/18-24/90 42/18-24/18
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