Solutions by everydaycalculation.com
1st number: 10/18, 2nd number: 2 0/18
1018 - 3618 is -139.
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Related: 20/18-36/18 10/18-72/18 10/36-36/18 30/18-36/18 10/54-36/18 10/18-36/54 50/18-36/18 10/90-36/18 10/18-36/90 70/18-36/18
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