Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 6 3/12
121 - 7512 is -52184.
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Related: 2/21-75/12 1/42-75/12 1/21-75/24 3/21-75/12 1/63-75/12 1/21-75/36 5/21-75/12 1/21-75/60 7/21-75/12 1/21-75/84
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