Solutions by everydaycalculation.com
1st number: 10/18, 2nd number: 5 0/18
1018 - 9018 is -409.
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Related: 20/18-90/18 10/36-90/18 10/18-90/36 30/18-90/18 10/54-90/18 10/18-90/54 50/18-90/18 10/90-90/18 70/18-90/18
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