Solutions by everydaycalculation.com
1st number: 3 3/6, 2nd number: 4/21
216 - 421 is 13942.
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Related: 42/6-4/21 21/6-8/21 21/12-4/21 21/6-4/42 63/6-4/21 21/6-12/21 21/18-4/21 21/6-4/63 21/6-20/21 21/30-4/21 21/6-28/21 21/42-4/21
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