Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 1 12/15
121 - 2715 is -184105.
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Related: 2/21-27/15 1/21-54/15 1/42-27/15 1/21-27/30 3/21-27/15 1/21-81/15 1/63-27/15 1/21-27/45 5/21-27/15 1/21-27/75 7/21-27/15
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