Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 1 13/15
121 - 2815 is -191105.
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Related: 2/21-28/15 1/21-56/15 1/42-28/15 1/21-28/30 3/21-28/15 1/21-84/15 1/63-28/15 1/21-28/45 5/21-28/15 1/21-28/75 7/21-28/15
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