Solutions by everydaycalculation.com
1st number: 1 2/5, 2nd number: 5/21
75 - 521 is 122105.
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Related: 14/5-5/21 7/5-10/21 7/10-5/21 7/5-5/42 21/5-5/21 7/5-15/21 7/15-5/21 7/5-5/63 35/5-5/21 7/5-25/21 7/25-5/21 49/5-5/21 7/5-35/21 7/35-5/21
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