Solutions by everydaycalculation.com
1st number: 12/18, 2nd number: 1 14/18
1218 - 3218 is -109.
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Related: 24/18-32/18 12/18-64/18 12/36-32/18 12/18-32/36 36/18-32/18 12/18-96/18 12/54-32/18 12/18-32/54 60/18-32/18 12/90-32/18 12/18-32/90 84/18-32/18
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