Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 1 9/21
13 - 3021 is -2321.
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Related: 2/3-30/21 1/3-60/21 1/6-30/21 1/3-30/42 1/3-90/21 1/9-30/21 1/3-30/63 5/3-30/21 1/15-30/21 7/3-30/21 1/21-30/21
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