Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 3 3/6
221 - 216 is -14342.
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Related: 4/21-21/6 2/21-42/6 2/42-21/6 2/21-21/12 6/21-21/6 2/21-63/6 2/63-21/6 2/21-21/18 10/21-21/6 2/21-21/30 14/21-21/6 2/21-21/42
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