Solutions by everydaycalculation.com
1st number: 2 0/3, 2nd number: 1/21
63 - 121 is 4121.
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Related: 12/3-1/21 6/3-2/21 6/3-1/42 18/3-1/21 6/3-3/21 6/9-1/21 6/3-1/63 30/3-1/21 6/3-5/21 6/15-1/21 42/3-1/21 6/3-7/21 6/21-1/21
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