Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 14 0/7
1021 - 987 is -28421.
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Related: 20/21-98/7 10/42-98/7 10/21-98/14 30/21-98/7 10/63-98/7 10/21-98/21 50/21-98/7 10/21-98/35 70/21-98/7 10/21-98/49
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