Solutions by everydaycalculation.com
1st number: 14/21, 2nd number: 3 7/21
1421 - 7021 is -83.
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Related: 28/21-70/21 14/42-70/21 14/21-70/42 42/21-70/21 14/63-70/21 14/21-70/63 70/21-70/21 98/21-70/21
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