Solutions by everydaycalculation.com
1st number: 1 2/3, 2nd number: 1/21
53 - 121 is 3421.
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Related: 10/3-1/21 5/3-2/21 5/6-1/21 5/3-1/42 15/3-1/21 5/3-3/21 5/9-1/21 5/3-1/63 25/3-1/21 5/3-5/21 5/15-1/21 35/3-1/21 5/3-7/21 5/21-1/21
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