Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 1 6/15
221 - 2115 is -137105.
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Related: 4/21-21/15 2/21-42/15 2/42-21/15 2/21-21/30 6/21-21/15 2/21-63/15 2/63-21/15 2/21-21/45 10/21-21/15 2/21-21/75 14/21-21/15
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