Solutions by everydaycalculation.com
1st number: 1/3, 2nd number: 10 2/7
13 - 727 is -20921.
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Related: 2/3-72/7 1/6-72/7 1/3-72/14 1/9-72/7 1/3-72/21 5/3-72/7 1/15-72/7 1/3-72/35 7/3-72/7 1/21-72/7 1/3-72/49
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