Solutions by everydaycalculation.com
1st number: 12/18, 2nd number: 3 9/18
1218 - 6318 is -176.
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Related: 24/18-63/18 12/36-63/18 12/18-63/36 36/18-63/18 12/54-63/18 12/18-63/54 60/18-63/18 12/90-63/18 12/18-63/90 84/18-63/18
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