Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 4 2/7
13 - 307 is -8321.
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Related: 2/3-30/7 1/3-60/7 1/6-30/7 1/3-30/14 1/3-90/7 1/9-30/7 1/3-30/21 5/3-30/7 1/15-30/7 1/3-30/35 7/3-30/7 1/21-30/7 1/3-30/49
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