Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 2 4/5
121 - 145 is -289105.
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Related: 2/21-14/5 1/21-28/5 1/42-14/5 1/21-14/10 3/21-14/5 1/21-42/5 1/63-14/5 1/21-14/15 5/21-14/5 1/21-70/5 1/21-14/25 7/21-14/5 1/21-98/5 1/21-14/35
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