Solutions by everydaycalculation.com
1st number: 3 6/18, 2nd number: 6/18
6018 - 618 is 31.
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Related: 60/18-12/18 60/36-6/18 60/18-6/36 60/54-6/18 60/18-6/54 60/18-30/18 60/90-6/18 60/18-6/90 60/18-42/18
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