Solutions by everydaycalculation.com
1st number: 3 3/6, 2nd number: 3 6/12
216 - 4212 is 01.
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Related: 42/6-42/12 21/6-84/12 21/12-42/12 21/6-42/24 63/6-42/12 21/18-42/12 21/6-42/36 21/30-42/12 21/6-42/60 21/42-42/12 21/6-42/84
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