Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 2 5/8
221 - 218 is -425168.
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Related: 4/21-21/8 2/21-42/8 2/42-21/8 2/21-21/16 6/21-21/8 2/21-63/8 2/63-21/8 2/21-21/24 10/21-21/8 2/21-21/40 14/21-21/8 2/21-21/56
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