Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 11 3/7
121 - 807 is -23921.
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Related: 2/21-80/7 1/42-80/7 1/21-80/14 3/21-80/7 1/63-80/7 1/21-80/21 5/21-80/7 1/21-80/35 7/21-80/7 1/21-80/49
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