Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 3 0/6
123 - 186 is 11.
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Related: 24/3-18/6 12/3-36/6 12/6-18/6 12/3-18/12 36/3-18/6 12/3-54/6 12/9-18/6 60/3-18/6 12/3-90/6 12/15-18/6 12/3-18/30 84/3-18/6 12/21-18/6 12/3-18/42
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